You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in reserving the ticket from IAH to LAS?

ASSISTANT: Let me know your travel dates.

USER: I am planning my trip on June 26 and again I will return back on June 28.

ASSISTANT: Is there any connection limit?

USER: I am comfort to travel in single connection flight.

ASSISTANT: Can I know your name?

USER: Myself Angela Jackson.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: Not a big deal, anyhow thank you very much for your kind information.

ASSISTANT: Thank you.