You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you  please book a flight ticket from AUS to SFO?

ASSISTANT: I am glad to help you with your concern. Sure, can you please let me know your trip dates?

USER: Thank you. I have planned my travel  dates as Apr 05 and Apr 07.

ASSISTANT: Would you like to fly with connecting flight or direct flight?

USER: I am looking for single connecting flight.

ASSISTANT: Are you looking for economy class flight or business class flight?

USER: I would prefer economy class only to travel so please make sure that.

ASSISTANT: Are you comfortable with any airline or do you have any airline preference?

USER: I am ok with any airlines to travel.

ASSISTANT: At the time of take off and for your return journey, do you have any specific preference?

USER: I am ready to travel at any time so please go with available flight.

ASSISTANT: If you can help me with your name, I can proceed further to check with the flights availability.

USER: Sure, myself Dennis Mitchell.

ASSISTANT: Thank you for sharing all the required information. Please allow me 2-3 minutes, while I check.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, Dennis Mitchell.

USER: It's ok.

ASSISTANT: As per your need, Southwest Airlines is having a single stopover with 1004 flight number and airfare is 100. Shall I proceed?

USER: That is fine, please proceed with booking.

ASSISTANT: For a economy class your ticket is booked and the depart time is 8:00 hours and the arrival time is 11:00 hours.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us. Hope we see you again!.

USER: Most welcome.