You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you?

USER: I'm Matthew Gonzalez.I am planning to travel from SFO to DEN to attend a sports event at Denver, can you please help me with booking a flight ticket?

ASSISTANT: Sure Matthew, please tell me your travelling dates?

USER: Sure, my departure date is on 12/27 and the return date is on 12/29. Please make sure that the connection limit is 0.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, there is no flight with connection limit 0.

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

ASSISTANT: Shall I proceed with 1 connection limit.

USER: No, please.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.