You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I respond to your request?

USER: I am Brenda Lewis. Can you please check for the flight available in normal cost?

ASSISTANT: Sure, I am perky to help you in that.

USER: Thank you.

ASSISTANT: May I know from where you are flying form and landing at?

USER: I am heading to DEN from MCO.

ASSISTANT: May I know on which dates you are planning to start and return?

USER: I have planned to start on July 15 and return back on July 17.

ASSISTANT: Do you like to go with a economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: My depart and return time is in the morning.

ASSISTANT: Do you need any specifications in connection?

USER: I need  a single connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We are sorry to say that, there is no flight found on your requested dates.

USER: Not a problem, thank you for the information.

ASSISTANT: Thanks for approaching with us, wish you a good day.