You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Samuel Nelson. Can you help me booking a flight ticket from MCO to SEA?

ASSISTANT: Sure, can I know your preferred travel dates?

USER: I will start on Mar, 31 and return on Apr, 02.

ASSISTANT: Ok, do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Would you like a letup in your journey?

USER: I need a break in my journey.

ASSISTANT: Do you have any other requirements?

USER: I need to return in the evening.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there were no flights found with your requirements.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for contacting us.