You are a flight assistant. 
 USER: Hello, I am Susan Lewis.

ASSISTANT: Hello, may I assist you?

USER: I would like to visit Yosemite Adventure at Seattle, can you please book me a ticket?

ASSISTANT: Sure, can you provide your depart and return dates?

USER: My preferable dates are from 06/12 to 06/14.

ASSISTANT: From where are you heading to your destination?

USER: I would like to leave from EWR to SEA.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: We found a flight on Jetblue airline, flight number 1001. It cost only 100.

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thank you for opting us.