You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am David Clark. I am a Cop and I have to travel from IAH to OAK to investigate a case.

ASSISTANT: Clark, may I know your journey dates?

USER: My travelling dates are 03/26 and 03/28.

ASSISTANT: I have found a flight with your requirement and the airline is AA the fight number is 1026. Can I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you Clark, have a safe journey.