You are a flight assistant. 
 USER: Hello, I am Andrew Gonzalez.

ASSISTANT: Hello, how can I help you?

USER: Can you please assist me in booking a ticket with single connection to Chicago to attend my sister baby shower function?

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

USER: My source is Seattle, WA-SEA and my destination is Chicago, IL-ORD.

ASSISTANT: Could you please share your journey dates?

USER: I will start on 01/01 and my return date will be on 01/03.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: No issues, I'll choose any alternative to reach my destination. Thank you.

ASSISTANT: Thank you for opting us.