You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How  can I serve you?

USER: I am Mary Scott. Can you help me in booking my flight ticket from PHX to SEA?

ASSISTANT: Sure, I can help you. Can I know your travelling dates?

USER: May 23 to 25 are my travelling dates.

ASSISTANT:  In which class do you want to travel?

USER: I am comfortable with any class.

ASSISTANT: Please be on hold for sometime, as I can check a flight for your journey with the best airlines.

USER: Sure.

ASSISTANT: We found a Southwest airline, flight number:1017 and the price is 100.

USER: Please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for your choosing us.