You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to travel to LAS for business trip, can you please reserve flight ticket from HOU?

ASSISTANT: Please provide your trip dates.

USER: My planned travelling dates are Sep, 29 and Oct, 01 respectively.

ASSISTANT: Do you need any connection limit?

USER: Flight has to be with single connection.

ASSISTANT: Do you have any other specifications?

USER: No, thank you for asking.

ASSISTANT: May I know your name?

USER: Sure, my name is Anna Thomas here.

ASSISTANT: There are no flights available on your routes.

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: Thank you for choosing us.