You are a flight assistant. 
 USER: Hello, Angela Hill here.

ASSISTANT: Hello, how can I help you?

USER: I have been invited to attend a seminar on Artificial Intelligence. I need your help to reach Houston.

ASSISTANT: Sure, I am perky to help you. When are you willing to travel?

USER: July 9 and 11 are my planned travel dates.

ASSISTANT: May I know your respective airport codes?

USER: LAS and HOU are the respective airport codes.

ASSISTANT: Do you have any stopover in between journey?

USER: No, I don't have any stopover.

ASSISTANT: Kindly mention your specific depart and arrival timings for this trip.

USER: I wish to return in the morning.

ASSISTANT: Is there any class preference for you?

USER: Noting like that. I am comfortable with any class.

ASSISTANT: Please let me know your airline preference.

USER: I am happy with any airlines to fly.

ASSISTANT: Thanks for providing details, there is a connecting flight in Hawaiian airline with a fare of 200 and the return time is at 5:00 AM. Shall I proceed for booking?

USER: Please book the ticket.

ASSISTANT: Ok, your ticket is reserved in an economy class having depart time at 7:00 AM and the flight number is 1005.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.