You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need you to book a flight ticket from DCA to EWR, please help me.

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

USER: July 9 and 11 are my planned travelling dates.

ASSISTANT: Do you have any other requirements?

USER: I just need to have a break in my journey.

ASSISTANT: Can I know your name?

USER: Sandra Edwards here.

ASSISTANT: Please wait.

USER: Sure, I will wait.

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

USER: Please proceed.

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

USER: Thank you very much.

ASSISTANT: Most welcome.