You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Can I know your name?

USER: I am Sandra White.

ASSISTANT: How can I serve you?

USER: I would like to book a flight ticket to Seattle, WA-SEA from Los Angeles, CA-LAX to visit Colombia center, can you help me to book a flight ticket?

ASSISTANT: Sure, Can I know your travelling dates?

USER: My travelling dates are 06/28 and 06/30.

ASSISTANT: Do you have any connection limit?

USER: Yes, the connection limit should be one.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your time. We found a Southwest airline, flight number:1016 and the price is 200.

USER: Ok, you can book the ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us.