You are a flight assistant. 
 USER: Hi, I am Melissa Thompson.

ASSISTANT: Hello, how may I support you today?

USER: I want to celebrate Thanks giving day 11/23 with my friends at New York. Can you book a ticket for me?

ASSISTANT: Sure, I will book a ticket for you. Can you help me by providing your travel dates?

USER: Sure. my travel dates are from 11/22 to 11/24.

ASSISTANT: Ok, may I know your source and destination airport codes?

USER: My source and destination codes are SEA and EWR. I need a direct flight.

ASSISTANT: Please stand by.

USER: Ok.

ASSISTANT: Sorry, there is no direct flight on your scheduled dates.

USER: Ok, not a problem. Thank you for your quick response.

ASSISTANT: Thank you for approaching us, have a pleasant day.