You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I planned to meet my friend in HOU, can you please help me to book a flight ticket from IAH?

ASSISTANT: Sure, when do you want to travel?

USER: I prefer to travel on Sep 13 and Sep 15.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, May I know your connection limit?

USER: I prefer for connecting flight.

ASSISTANT: Ok, Is there any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1014 Frontier Airlines with a fare of 100. Can I proceed?

USER: Yes, please proceed.

ASSISTANT: May I know your name for booking purpose?

USER: Andrew Nelson.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.