You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: Can you please check for the flight from IAH to MCO for my business trip?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My journey dates are from May 23rd to May 25th.

ASSISTANT: Ok, could I have your name please?

USER: Sandra Mitchell here.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a flight with 1 connection.

ASSISTANT: Ok, may I know your class preference?

USER: I was looking for economy class.

ASSISTANT: Sorry, there is no flight with your request.

USER: Oh! That's ok. Thank you for checking.

ASSISTANT: You are welcome, have a great day.

USER: Most welcome.