You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Myself Melissa Walker, can you me to book a flight ticket from JFK to DCA?

ASSISTANT: Sure Walker, I am happy to help you with that.  Can I have your travel dates please?

USER: Ok, please book for the dates 06/04 and 06/06 respectively.

ASSISTANT: Ok Walker, please wait a moment to check flight availability.

USER: Take your own time.

ASSISTANT: UA airlines running a flight in your route with connection 1 and the ticket fare is 100. Is it ok for you?

USER: That is good, please book. Thank you for assisting me with the flight ticket booking.

ASSISTANT: Ok Melissa Walker, your ticket booking has done and the flight number is 1006.

USER: Thank you for the expeditious service.

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