You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Michael Phillips.

ASSISTANT: How can I best serve you today?

USER: I need to fly from DCA to HOU, can you please book a flight ticket?

ASSISTANT: Let me know your travelling dates?

USER: My journey dates are 05/27 to 05/29.

ASSISTANT: We found a flight 1014 in AA airline the price is 100 with one halt. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you.