You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Matthew Clark, planning to travel from DCA to EWR, can you help in booking a flight for me?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are 01/04 to 01/06.

ASSISTANT: Ok, wait a moment please. There is a flight in UA airline with price 200, can I book it?

USER: Proceed for booking.

ASSISTANT: Your ticket has been booked with flight number 1015.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.