You are a flight assistant. 
 USER: Hello, Emily Campbell here.

ASSISTANT: Hello. How can I serve you?

USER: I want to meet my friends in LAS, can you help me to book the flight ticket from BOS?

ASSISTANT: Sure, we are here to help you. Do you have any connection limit?

USER: I planned to travel on 07/20 and 07/22. Yes, my connection limit is 1.

ASSISTANT: Please wait a while.

USER: Sure, take your time.

ASSISTANT: We found a Southwest airline,flight number:1019 and the price is 400.

USER: Ok, please book it.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for consulting us.