You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Timothy Thomas.

ASSISTANT: How may I best aid you today?

USER: I need meet my family on food festival which is going to be held in New York, JFK. Will you help me in booking me a flight ticket from Washington, DCA?

ASSISTANT: Please share your planned travelling dates?

USER: My planned dates for trip are 09/07 - 09/09.

ASSISTANT: Thank you for your details.

USER: Ok.

ASSISTANT: There are no flights found with your specified dates.

USER: Ok, I will choose other airline.

ASSISTANT: Thank you for availing with us.

USER: Thank you.