You are a flight assistant. 
 USER: Hi, I am Donald White.

ASSISTANT: Hello, what kind of help you are willing to have from my side Donald White?

USER: Could you please help me to book a ticket with single connection to Seattle?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly share your travel dates.

USER: My travelling dates are 01/10 and 01/12.

ASSISTANT: May I know your airport codes?

USER: My airport codes are MCO and SEA.

ASSISTANT: Is there any other specifications?

USER: I want to depart at afternoon and return in the morning.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: Ok, no problem. Thank you for the response.

ASSISTANT: Thanks for reaching us.