You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Michael Hill, want to travel from HOU to PHL to attend my conference meeting. Please help me in booking my ticket.

ASSISTANT: Sure, will you please share your journey dates?

USER: Sure, my journey dates are from 08/04 to 08/06.

ASSISTANT: Do you need a connection?

USER: Yes, I need a single connection in between my journey.

ASSISTANT: Sorry, currently there are no flights on your requested travel dates.

USER: It's ok, no problem. Thank you for your help.

ASSISTANT: Thank you for opting us, hope we serve you next time.