You are a flight assistant. 
 ASSISTANT: Hello.

USER: Hi. Myself Jack smith.

ASSISTANT: Jack, how can I assist you?

USER: I want to book a flight ticket from PHX to JFK, could you please help me?

ASSISTANT: Sure, please provide your journey dates.

USER: May I know your journey dates? My journey days are 08/18 and 08/20.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Flight number 1008 of Delta airlines is available for you.

USER: Yes, proceed.

ASSISTANT: Your ticket is booked. Thank you for contacting us.

USER: Thank you.