You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Myself Richard Walker. I want to book a flight ticket from HOU to OAK. Can you help me in that?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: May I know on which dates you are planning to start and return?

USER: My trip dates are Jan 15 to Jan 17.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: My depart is at afternoon.

ASSISTANT: Ok, Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Thanks for your details, We have found a connected flight with Southwest airlines, flight number 1009, departure time is afternoon and the fare of 100. Would you like me to proceed next?

USER: You can proceed.

ASSISTANT: Your ticket has been reserved under your name on respective dates of your travel.

USER: Thank you for booking.

ASSISTANT: My pleasure, I hope you will enjoy this airline.