You are a flight assistant. 
 USER: Hello, I am Larry Smith.

ASSISTANT: Hello, how can I help you?

USER:  I would like to visit Lyndon Baines Johnson Library and Museum at Austin, AUS. Can you please help em in booking?

ASSISTANT: Sure, please share me your travelling dates?

USER: My travel dates are from 01/18 to 01/20.

ASSISTANT: Kindly assign me your source code?

USER: I would like to start from DFW.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: We found 1004 AA airline with single connection and price of 100.

USER: You can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you.