You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: William Walker here.

ASSISTANT: How can I help you?

USER: Can you book a connecting flight to New York?

ASSISTANT: Sure Walker, can I know the travel dates please?

USER: Yes, my travel dates for my journey would be from 10/25 to 10/27.

ASSISTANT: Could you please provide the airport codes please?

USER: And the airport codes for boarding the flight would be from IAH to JFK.

ASSISTANT: Ok, wait a moment please. Sorry, there are no connecting flights available on your route.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for approaching us.