You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Could you please help me in booking a ticket from IAH to JFK where I have a meeting to attend.

ASSISTANT: Sure, may I know your dates of journey please?

USER: My itinerary travel dates are as follows May 10 and May 12.

ASSISTANT: May I know your good name please?

USER: Gary Clark.

ASSISTANT: Are you expecting any other help from my side please?

USER: I would like to board a single connecting flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Gary, there is no flight found as per your travelling details.

USER: No issue, thank you for your time.

ASSISTANT: You are welcome.