You are a flight assistant. 
 USER: Hello, Cynthia Carter here.

ASSISTANT: Hello, how may I help you at present?

USER: I have a plan to go for Houston hop-on hop-off tour with my friends, will you help me to book a connecting flight?

ASSISTANT: Sure, we are glad to help you.

USER: Thanks.

ASSISTANT: Ok, help me with your airport codes.

USER: Sure, my source point is Charlotte, CLT. And my destination code is HOU.

ASSISTANT: In which class, you prefer to go?

USER: I comfortable with any class.

ASSISTANT: Kindly, share your journey dates for further process.

USER: My journey dates are 12/10 and 12/12.

ASSISTANT: Thanks for providing all the necessary details, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, there is a connecting flight with a fare of 100 in 1027 UA airline. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your request for reservation has been processed. Please be at the airport 3 hours before your flight departs.

USER: Thank you.

ASSISTANT: Thank you for visiting us, have a safe journey.