You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you at this moment?

USER: Actually, I want to reserve my ticket from HOU to LGA to attend my brother's marriage, can you please help me in this?

ASSISTANT: Sure, I am happy to help you with that. Can I know your journey dates?

USER: Sure, my planned dates of journey are from Apr, 13 to Apr, 15.

ASSISTANT: Ok, do you have any other requirements?

USER: Yes, I want a connecting flight to fly with it.

ASSISTANT: May I know your name?

USER: Sure, my name is Justin Roberts.

ASSISTANT: May I know your depart and return timings?

USER: I am ok with any timing to travel.

ASSISTANT: Sorry to inform you that, there is no flight available based on your journey details.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Anyways, thank you for your service.