You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Samantha Campbell here.

ASSISTANT: How can I assist you?

USER: Do you have any flight from PHX to LAS?

ASSISTANT: Sure Campbell, can I know the travel dates please?

USER: My travelling dates are 08/18 and 08/20.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Delta airline with price 200, can I book it?

USER: You can proceed.

ASSISTANT: Your ticket has been booked with flight number 1019.

USER: Thanks for your help.

ASSISTANT: Thank you for approaching us.