You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I aid you?

USER: Please book a ticket from Seattle, WA-SEA to Boston, MA-BOS.

ASSISTANT: Sure, can you help me with your journey dates?

USER: Departure is on 10/20 and 10/22 will be return.

ASSISTANT: May I know your name?

USER: I am Rachel Green.

ASSISTANT: Sorry, no flights found on your given details.

USER: Thanks.

ASSISTANT: Thank you for reaching us.

USER: I'm Rachel Green.