You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I need to book a flight ticket from IAD to JFK, Can you please help me for booking?

ASSISTANT: Sure, can you help me with your travel dates?

USER: I would like to travel on 02/13 to return on 02/15.

ASSISTANT: Do you need any connections?

USER: I need a connecting flight.

ASSISTANT: Are there any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Alexander Phillips here.

ASSISTANT: Connecting flight number 1005 with price 100 in economy class is available. Is it ok?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us.