You are a flight assistant. 
 USER: Hi. I am Carol Jones.

ASSISTANT: Hello, how can I help you?

USER: I have a plan to meet my uncle at Denver, please book a connecting flight ticket.

ASSISTANT: Sure, May I know your depart date and return date?

USER: My travelling dates are from 04/27 to 04/29.

ASSISTANT: Ok, please provide your source.

USER: My source code is IAD.

ASSISTANT: Ok, Kindly mention your destination airport code.

USER: My destination code is DEN.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Thank you for your time, we found a connecting flight in 1007 Spirit plane with a fare of 100.

USER: Please go with booking.

ASSISTANT: Sure, your ticket has been booked.

USER: Thanks for the reservation.

ASSISTANT: Thank you for reaching us.