You are a flight assistant. 
 USER: Hello. Myself Christine Lewis.

ASSISTANT: Hello, how can I aid you today?

USER: I am looking for a flight from DEN to MCO, can you help me in booking?

ASSISTANT: Sure, when are you planning to start and return on?

USER: My planned travel dates are Aug 30 and Sept 01.

ASSISTANT: Do you need a connecting flight?

USER: Yes, please look for it.

ASSISTANT: In which class do you prefer to travel?

USER: I don't need any class preference.

ASSISTANT: Do you have any specifications with the timing?

USER: I would like to return my journey for the evening flight.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you.