You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you book a ticket for me?

ASSISTANT: Yes. Can you tell me where you like to go?

USER: I have a party in Las Vegas on 01/02.

ASSISTANT: Nice to hear this. Can you tell me from where you are planning to start?

USER: My codes of location is from DFW to LAS.

ASSISTANT: Ok. When you like to come back ?

USER: My return will be on 01/04.

ASSISTANT: I found a flight in Delta airline with 1 connection. Is it ok with you?

USER: What about price?

ASSISTANT: Price is only 100. Can I know your name?

USER: Yes, My name is Justin Baker. Please, book the ticket for me.

ASSISTANT: Ok. Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you to visit in our agency website.