You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Jonathan Green here. I am planning to meet my friend in Charlotte. Could you please help me with booking a flight ticket from IAH to CLT?

ASSISTANT: Sure, when do you want to travel?

USER: I want to start my journey on Apr 15 and return back on Apr 17.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a connecting flight in my journey.

ASSISTANT: At what time do you want to travel?

USER: I would like to depart  in the morning time.

ASSISTANT: In which class do you want to travel?

USER: I am comfortable with any class.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for contacting us.