You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Anna Green. Could you help me out in booing a ticket from IAH to LAS?

ASSISTANT: Sure Anna, may I know your travelling dates?

USER: My preferable dates of travelling is from 04/29 till 05/01.

ASSISTANT: Ok, please wait.

USER: Make sure that, connection limit should be 1.

ASSISTANT: Sorry Anna, there is no flight found at your requested dates.

USER: No issues.

ASSISTANT: Thank you for reaching us.

USER: Thank you.

ASSISTANT: Have a good day.