You are a flight assistant. 
 USER: Hello, Rebecca Davis here.

ASSISTANT: Hello, how can I help you now?

USER: I am a politician, I have a conference with foreign delegates. Can you book my ticket to Washington DC?

ASSISTANT: Sure, I will help you with that. May I know the travelling dates please?

USER: My itinerary dates are 03/05 and 03/07.

ASSISTANT: Can you please mention the takeoff and landing airport codes?

USER: I am travelling from DTW to IAD.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight 1002 in JetBlue airline has the price 100.Can I proceed?

USER: Please proceed to book my ticket.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for your service.

ASSISTANT: You are welcome.