You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jennifer Brown.

ASSISTANT: Can I know the concern you have regarding the flight reservation?

USER: I need to book a ticket from OAK to IAD, Can you help me?

ASSISTANT: Ok, I will assist you with that. May I know your travel dates to book a ticket?

USER: I want to travel on Jan 26 to Jan 28.

ASSISTANT: There is a flight ticket available with 1 connection limit and the airfare is 200. Can I book the flight from airlines jetBlue?

USER: Ok, please proceed.

ASSISTANT: Ok, the flight ticket is been booked. The flight number is 1004. Thank you for choosing our agency.

USER: Thank you.