You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Michelle Lee.

ASSISTANT: How may I assist you?

USER: Can you help me in booking from AUS to DFW?

ASSISTANT: Sure, Please share your planned journey dates.

USER: My journey dates are from Mar 28 to Mar 30.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: Thank you for your time, there is a flight available with price 200 and single connection in UA airline.

USER: Ok, You can proceed.

ASSISTANT: Your ticket has been confirmed in economy class with flight number 1019.

USER: Thank you.

ASSISTANT: Thank you.