You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I lend a hand to?

USER: I need to book a flight ticket from IAD because I need to attend a business conference meeting at BOS, Can you please help me with that.

ASSISTANT: Sure, I am willing to help you for this. When are you planning your trip?

USER: I would like to travel on 07/28 to return on 07/30.

ASSISTANT: Do you have any criteria regarding your journey?

USER: Yes, I need a connecting flight with return time on morning.

ASSISTANT: Is there any other specification?

USER: No.

ASSISTANT: As per your data, there is a flight with Delta Airlines and the ticket fare is 100. Shall I proceed for this?

USER: Ok, proceed for booking.

ASSISTANT: For reserving the ticket. May I know your name please?

USER: Kimberly Nelson here.

ASSISTANT: Your ticket is reserved in economy class with the flight-1021. Your depart time is 5:00 AM and again your arrival time is 10:00 AM.

USER: Ok, thanks for your information.

ASSISTANT: Thank you very much for contacting our agency.