You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I amend you?

USER: I am Catherine Smith. I need to book a flight ticket from HOU to IAH, Can you please help me for booking?

ASSISTANT: Sure, I am happy to help you. May I know your trip dates?

USER: I would like to travel on 05/15 to 05/17.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Thanks for being on hold. Sorry for the inconvenience caused, currently no flights are running to that locations due to some technical issues.

USER: Ok, no problem.

ASSISTANT: Thanks for your approach.

USER: Thanks for your information.