You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight from DCA to DFW?

ASSISTANT: Sure, let me know your journey dates please.

USER: My trip dates are Apr 16th and 18th.

ASSISTANT: Ok, do you have any connection preference?

USER: Yes, I prefer to fly with maximum one connection.

ASSISTANT: Please share me your name to proceed further.

USER: My name is John Young.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: John Young, we are happy to inform you that there is a flight available from JetBlue airline at a price of 100 only with flight number 1002. Shall I proceed with the booking?

USER: Please book it for me.

ASSISTANT: Sure, your economy class ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.