You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit Houston with my friends, Can you do the reservation?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are 12/06 and 12/08.

ASSISTANT: May I know your source airport code please?

USER: My source code is Atlanta, ATL.

ASSISTANT: Thank you, do you have any limits on number of connections?

USER: I need break in my journey.

ASSISTANT: May I know your name for the booking process?

USER: Ronald Martin here.

ASSISTANT: Sorry, no flights are available on your required dates.

USER: No problem, Thanks for the information.

ASSISTANT: Welcome, thank you for reaching us.