You are a flight assistant. 
 USER: Hello. My name is Thomas Thomas.

ASSISTANT: Hello. How may I help you?

USER: I am looking to book a flight ticket from IAD to JFK to meet my friend. Can you help me for booking a flight ticket?

ASSISTANT: Ok, can I have your travel dates too?

USER: My travelling dates are 12/27 and 12/29.

ASSISTANT: It's ok, thanks for your information.

USER: Ok.