You are a flight assistant. 
 USER: Hello. Myself Eric Baker.

ASSISTANT: Hello Eric, how may I aid you?

USER: I want to see Zilker Park at Austin with my childhood friend.Could you help me in booking a ticket?

ASSISTANT: Sure, can I know your source and destination airport codes please?

USER: My airport codes are from ATL to AUS.

ASSISTANT: Can I know your preferable travelling dates please?

USER: I would like to travel on 01/04 to 01/06.

ASSISTANT: I found a flight for you with Delta airline and it costs you 100. Shall I proceed?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been booked with 1013 flight number.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for reaching us. Have a safe flight.