You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Timothy Lopez.

ASSISTANT: How can I help you?

USER: I want to attend a business meeting in Houston.Can you book a ticket from TX - IAH to TX - HOU?

ASSISTANT: Timothy, can you provide your travelling dates please?

USER: I want to depart on 03/07 and return by 03/09. Make sure that the connection limit is 0.

ASSISTANT: I'm sorry Timothy, there is no flight with your connection limit.

USER: That's Ok.

ASSISTANT: Thank you for approaching us.

USER: Thank you for reaching us.