You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello.

USER: I am Jennifer Rodriguez.

ASSISTANT: How may I aid you today?

USER: Can you help me to book a flight from IAD on 07/14?

ASSISTANT: Sure, I will help you. Could you please share your destination location?

USER: I am planning to visit DCA and I will be return on 07/16.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: There is a flight with single connection in UA airlines and price is 100. Shall I proceed?

USER: Proceed with booking.

ASSISTANT: Ok, your ticket is booked with the flight 1021.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a happy journey.