You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Will you please book me a plane ticket from HOU to LGA?

ASSISTANT: Sure, please provide me your itinerary travel dates.

USER: I will start on Feb 11th and return on Feb 13th.

ASSISTANT: May I know about your connection limit?

USER: I need 1 stop over within my route.

ASSISTANT: Are there any more preferences that you want to avail?

USER: Yes, my return time must be in the afternoon.

ASSISTANT: May I know your name?

USER: I am Catherine Anderson.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Catherine Anderson. I regret to inform that there are no flights on your route with the given dates.

USER: That's alright, thanks for your assistance.

ASSISTANT: Thank you for reaching us.