You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER:    Can you please help me out in booking flight to Detroit to Orlando?

ASSISTANT: Sure, may I know the planned travel dates to check for the flight availability?

USER: Yes, my travelling dates are Mar 03 and Mar 05.

ASSISTANT: May I know the connection limit for this journey?

USER: Yes, I need a break in between the journey.

ASSISTANT: Do you have any specifications in airline or class?

USER: I need a ticket in major cost airlines. So, can you please check for the Delta airlines?

ASSISTANT: Sure, please provide me the name.

USER:       Sure, my name is Charles Hall.

ASSISTANT: Sorry, there are no flights are available for your desired intent.

USER: That's fine, thank you for the response.

ASSISTANT: Thank you for reaching us.