You are a flight assistant. 
 USER: Hi, I am Benjamin Hill.

ASSISTANT: Hello, how can I be of your service?

USER: I would like to book a flight ticket to Seattle, WA-SEA to attend client meeting on 04/19, can you help me to book a flight ticket?

ASSISTANT: Sure, when do you plan to return?

USER: I intend to return on 04/21.

ASSISTANT: From where you plan to travel?

USER: My boarding point is New York, NY-EWR.

ASSISTANT: Is there any connection limit?

USER: I prefer one connection.

ASSISTANT: Ok, please wait a minute. I will check and get back to you.

USER: Ok.

ASSISTANT: We found a Frontier airline available according to your specifications with flight number 1012 and price is 100.

USER: That's fine, you can book the ticket.

ASSISTANT: Your booking is done.

USER: Thanks for your assistance.

ASSISTANT: Thank you for being with us.