You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Catherine Adams.

ASSISTANT: How can I help you today? Nice to meet you Adams.

USER: I want to go on a vacation to Minneapolis.Can you book a ticket from TX - IAH to MN - MSP?

ASSISTANT: That's so great to hear. Which dates you are planned for the trip?

USER: The departure is on 08/26 and return by 08/28. The connection limit is 1.

ASSISTANT: Sorry Adams, I cannot find any flight with your details.

USER: Ok. That's not a problem.

ASSISTANT: Thank you, have a great day.