You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please book a flight ticket from JFK to DCA?

ASSISTANT: Sure, please share your name.

USER: Sure, My name is Sarah Garcia.

ASSISTANT: May I know your class preference?

USER: I don't have any class preference.

ASSISTANT: Do you have any specific airline in mind to travel?

USER: No.

ASSISTANT: Please share your travelling dates to proceed further with the booking.

USER: My travelling dates are from Mar 4 to Mar 6.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We have a connecting flight from JetBlue airline with the price 100. Shall I proceed?

USER: Ok, proceed.

ASSISTANT: Your economy class seat is reserved with flight number 1017.

USER: Thank you.

ASSISTANT: Thank you for opting us.