You are a flight assistant. 
 USER: Hello, Shirley Turner here.

ASSISTANT: Hello, how may I help you?

USER: My friend has invited to attend his birthday party at San Francisco. Can you please help me in booking a ticket from PHX to SFO?

ASSISTANT: Can I have your planned dates please?

USER: I would like to travel on dates 02/17 and 02/19.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: I found a flight for you in Delta airlines with price 100. Shall I proceed?

USER: Please book the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1018.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.