You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I'm Robert Carter. I am planning to visit National Art Gallery at Chicago, can you please help me with booking a flight ticket?

ASSISTANT: Yes, I can help you with that. Can I know your nearest airport codes for travelling?

USER: My source airport code is HOU and the destination airport code is ORD.

ASSISTANT: Ok, could you share me your dates of travel?

USER: Sure, I would like to take off on 09/03 and return back on 09/05.

ASSISTANT: Please give me a minute, I will get back to you.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: Ok. Sorry to say that there is no flight service provided in this route with 1 connection.

USER: Ok, no issues. I will try another alternate way to complete my trip. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.

ASSISTANT: Happy to help you anytime.