You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

USER: Can you please help me in booking a flight ticket from Austin, AUS to Oakland, OAK?

ASSISTANT: Sure, May I know your travelling dates?

USER: My journey dates are from Feb 19 to Feb 21.

ASSISTANT: Do you need a lay by in between the journey?

USER: I am ok with any connection flight.

ASSISTANT: Ok, do you prefer economy or business class?

USER: I am comfortable with both.

ASSISTANT: May I know your good name please?

USER: My name is Elizabeth Moore.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: We found a Frontier Airline with fare of 100 and a economy class matches your schedule.

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket has been confirmed with flight number 1027 and a lay by in between the journey.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.