You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please reserve a flight ticket from IAH to DEN for my business meet?

ASSISTANT: Sure, I am mirthful to help you with that. Can you please share your planned journey dates?

USER: Thank you for accepting my request, my departure is on June 02 and please book my return ticket also on June 04.

ASSISTANT: May I know your name please?

USER: Sure, my name is Shirley Lewis.

ASSISTANT: Is there any class preference for your journey?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight for my journey.

ASSISTANT: There are no flights found on this route as per your travel dates.

USER: Oh! Not an issue, I will reach another booking agency.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you for checking.