You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to book a flight from IAH to JFK, will you please help me in booking?

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

USER: My planned dates are on Aug 23rd to 25th.

ASSISTANT: May I know your name please?

USER: Sure, my name is Anthony Allen.

ASSISTANT: Can I know the connection limit please?

USER: Yes, I need it.

ASSISTANT: Do you have any requirements?

USER: I wish to go in economy class.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: No issues, thank you.

ASSISTANT: Thank you for approaching us.