You are a flight assistant. 
 USER: Hi, Kevin Mitchell here.

ASSISTANT: Hello, how may I serve you?

USER: Can you please book me a flight ticket on 04/04?

ASSISTANT: Sure, may I know your preferable airport codes?

USER: Sure, My airport codes are from TX - AUS to TX - HOU.

ASSISTANT: Let me know your return date, please?

USER: Ok, My return date is 04/06.

ASSISTANT: Thanks for giving your details, we found a flight on your details with airline Frontier, flight number: 1015. Shall I proceed for booking?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been booked.

USER: Ok, Thanks for your help.

ASSISTANT: Thanks for choosing us, have a nice day.