You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me to book a flight ticket from IAD to CLT?

ASSISTANT: Sure. May I know your name?

USER: Ok, please book a ticket on the name Kathleen Perez.

ASSISTANT: Thank you. Could you please tell us your travel dates?

USER: Ok, please book a ticket for the dates Apr 27th and Apr 29th.

ASSISTANT: Thank you. Do you have any preferences?

USER: No.

ASSISTANT: There is a flight having single connection in JetBlue Airlines and the ticket fare is 100 only. Flight departs at 2:00 hours and arrives at 5:00 hours. Can I book the ticket for you?

USER: Ok, please proceed with the flight booking.

ASSISTANT: Your ticket is booked in economy class and your flight number is 1003.

USER: Thank you for assisting me.

ASSISTANT: You are welcome.