You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a ticket from IAD to EWR to attend seminar, can you help me in booking?

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

USER: I am departing on Feb 15 and return on Feb 17.

ASSISTANT: Do you have any other requirements?

USER: I need a flight with connection limit 1 which returns in evening time.

ASSISTANT: Can I know your name please?

USER: My name is Frank Young.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

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

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.