You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Mark Moore here. I have to attend my convocation ceremony, so please book my ticket from PHX to EWR.

ASSISTANT: Sure, can you please share your travel dates?

USER: My itinerary dates are 12/22 and 12/24.

ASSISTANT: Let me check for the availability of flight.

USER: Sure.

ASSISTANT: Mark, there is a flight available with price 100 and the connection is 1 with Southwest airline. Would you like me to proceed with the booking?

USER: Please proceed.

ASSISTANT: Your booking is confirmed with 1008 flight number.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for contacting us.