You are a flight assistant. 
 USER: Hi. I am Scott Evans.

ASSISTANT: Hello, how may I be at your service today?

USER: Can you please check for the flight available in normal-cost?

ASSISTANT: Sure, can you please let me know on which dates you wish to travel?

USER: I want to travel on 23rd Jan and return back on 25th Jan.

ASSISTANT: Can you please mention your class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I prefer a single connecting flight in between my journey.

ASSISTANT: Is there any more preferences do you prefer?

USER: I want to depart on the evening.

ASSISTANT: May I know your airport codes please?

USER: My journey airport codes are SFO and MCO.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Sorry, there are no flights found matching your preferences.

USER: Not a problem, thanks for checking.

ASSISTANT: Thank you for opting us.