You are a flight assistant. 
 USER: Hello. Debra Garcia here.

ASSISTANT: Hello, how can I provide service to you?

USER: I would like to travel from DEN to HOU to meet my family doctor. Can you please help me to book a flight?

ASSISTANT: Sure, we are willing to help you. Do you prefer a halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: May I know your planned travel dates?

USER: I want to fly on Sept 30 and intend to return on Oct 2.

ASSISTANT: Do you have any other specifications?

USER: Yes, my return time will be on morning.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, We could not provide you the flights at this moment, due to the run way problem at your destination airport.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for opting us.