You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Welcome to flight booking agency, which help you are expecting from my side?

USER: I am looking for a flight booking service, can you help me with that?

ASSISTANT: Sure, I am glad to help you with that.

USER: Good to hear that from you.

ASSISTANT: Ok, can you please share your travelling airport codes?

USER: Sure, I would like to start my journey from CLT and I will be landing at DEN airport.

ASSISTANT: Ok, on which date your going to start your journey and please share your return dates also?

USER: I am planning to start my journey on 03/23 and my return date will be on 03/25.

ASSISTANT: Ok, please hold on for a moment to check availability of flights.

USER: Sure, I need a connecting flight.

ASSISTANT: Sorry for the inconvenience, no connecting flights as per your details.

USER: Ok, no issue. I will check with other agency.

ASSISTANT: May I know your name please?

USER: Thank you for your time. My name is Katherine Martinez.

ASSISTANT: Katherine, thank you for reaching us.

USER: Welcome.