You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a flight from PHX to DCA, can you help me in booking?

ASSISTANT: Sure, may I know your trip dates please?

USER: Sure, my planned travel dates are July 05 and July 07.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a break in between the journey.

ASSISTANT: Ok, can I know your name please?

USER: Myself Helen Williams.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in American airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: That's fine, please proceed in booking.

ASSISTANT: Ok, your ticket is booked with the flight number 1017.

USER: Thank you for your expeditious service.

ASSISTANT: Most welcome.