You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to travel from IAH to HOU. Can you help me to book a flight ticket?

ASSISTANT: Sure, I will help you. Can you please share your planned journey dates?

USER: I want to fly in the flight on Feb 24 and Feb 26.

ASSISTANT: Your good name please?

USER: I am Dennis Rodriguez.

ASSISTANT: Let me know your connection limit.

USER: I want to have a connection of 1.

ASSISTANT: Do you have any other requirements?

USER: I prefer business class.

ASSISTANT: Please, wait a minute.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting, there were no flights available that matches your requirements.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for approaching us.