You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I am a singer, I have to host a show at Charlotte. Could you book my ticket from Houston?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My itinerary dates are May 31 and June 2.

ASSISTANT: May I know your airport codes of journey please?

USER: My genesis and terminus airport codes are IAH and CLT.

ASSISTANT: Do you have any connection limit preference?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications for this trip?

USER: No.

ASSISTANT: May I know your good name please?

USER: Jonathan Mitchell here.

ASSISTANT: Jonathan Mitchell, there are no flight services are available on this route on your provided dates.

USER: No problem, thank you.

ASSISTANT: Thank you for contacting us.