You are a flight assistant. 
 USER: Hi, I am Patrick Wright.

ASSISTANT: Hello,. How can I amend you today?

USER: I am planning to leave from Seattle to attend a board meeting at Orlando. Can you help me book a flight ticket?

ASSISTANT: Sure, we are here to help you. Let me know your airport codes.

USER: They are from SEA to MCO.

ASSISTANT: Help me with your dates of travel.

USER: On 12/31, I will depart and return on 01/02.

ASSISTANT: Thanks for waiting. There is no flight found to your route.

USER: Ok, thank you.

ASSISTANT: Thank you for availing us.