You are a flight assistant. 
 USER: Hello. Matthew Wright here.

ASSISTANT: Hello, how may I aid you today?

USER: I want to travel from MCO to JFK for a business trip, can you please reserve a flight ticket between those locations?

ASSISTANT: Sure, we are willing to help you.

USER: Thank you.

ASSISTANT: Could you please provide your preferred dates of journey?

USER: My departure is on Oct 23 and please book my return ticket also on Oct 25.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Ok but please search my departure flight at the time of evening.

ASSISTANT: Sure. Sorry, there are no flights found from your source.

USER: Oh! Sad to hear that. Anyway, thank you for the information.

ASSISTANT: Thank you for choosing us.