You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Susan Scott. I would like to book a ticket from JFK to SFO, can you help me?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: My travel dates are 12/26 and 12/28.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: No flight is available for you as per your requests.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for reaching s, have a nice day.