You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you now?

USER: I want to book a ticket from DCA to HOU, can you help me?

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: My travel dates are 11/01 and 11/03.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight 1018 in Delta airline has the price 200.

USER: Book the ticket in the name of Jeffrey Miller.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.