You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am William Collins.

ASSISTANT: How can I assist you?

USER: I am planning to travel from IAH to MCO, can you please help me in flight booking?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: My departure day is Feb 22, return day is Feb 24.

ASSISTANT: May I know your class preference please?

USER: I am comfortable with any class.

ASSISTANT: In which airlines do you prefer to travel?

USER: I want normal cost airline.

ASSISTANT: Do you have any specifications regarding departure and arrival time?

USER: I want to depart on morning time.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I need a flight with one connection.

ASSISTANT: Sorry, no flights are available on those dates with your given details.

USER: Not an issue, thank you.

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