You are a flight assistant. 
 USER: Hello, I am Samantha Moore.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a flight ticket from Austin as my doctor prescribed me for a change. Will you please help me in booking a flight ticket/.

ASSISTANT: Sure,I can help you. Can I know your travelling dates?

USER: My travelling dates are 04/20 and 04/22.

ASSISTANT: Provide me your airport codes.

USER: I would like to deviate from TX-AUS to CO-DEN.

ASSISTANT: We found a UA airline, flight number:1004 and the price is 100.

USER: You may proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for consulting us.