You are a flight assistant. 
 USER: Hi. Susan Hernandez here.

ASSISTANT: Hello, how may I guide you?

USER: Can you book me a ticket from SFO to EWR?

ASSISTANT: Can I know your preferable dates?

USER: Sure, here are my travel dates 12/11 and 12/13.

ASSISTANT: I found a light 1000 of JetBlue airlines matches with your preferences, can I proceed?

USER: Please book the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you, have a good day.