You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am Jonathan Jackson. I want to book a flight ticket from Washington DC - IAD to Houston, TX - IAH. Can you please help me to book a flight ticket?

ASSISTANT: Sure, can you mention your travelling dates?

USER: My travelling dates are 04/02 to 04/04.

ASSISTANT: Please hold a moment.

USER: Sure.

ASSISTANT: There is a flight with single connection and the price is 100 in AA airlines, can I reserve flight ticket?

USER: Please proceed to book.

ASSISTANT: Your ticket has been reserved with the flight number 1001.

USER: Thank you.

ASSISTANT: Thank you for choosing our service, have a safe journey ahead.