You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Raymond Thompson. I want to book a flight ticket from IAD to JFK to meet my friend. can you help me for booking a flight ticket?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

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

ASSISTANT: Please wait for a while.

USER: Sure, I will wait.

ASSISTANT: There is a flight available with Delta airline, shall I book it?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done with flight number 1021. Happy journey.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.