You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a flight ticket from HOU to IAH?

ASSISTANT: Sure, may I know your journey dates to search the flight?

USER: Thank you. I have planned my travel dates as May 15 and May 17.

ASSISTANT: Ok, please tell me your connection limit preference.

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: What is your name?

USER: Myself Anna Jackson.

ASSISTANT: Ok, please share your other preferences.

USER: I do not have any more specifications.

ASSISTANT: Sorry to inform you, there is no flight found in this route.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: You are welcome. Thank you for choosing us.

USER: Most welcome.