You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Mark Smith.

ASSISTANT: How can I assist you?

USER: I need to meet my friend in Phoenix, can you please book flight ticket from PHL to PHX?

ASSISTANT: Ok, please make I know the travel dates to book?

USER: My preferred travelling dates are 12/14 and 12/16.

ASSISTANT: There is a flight available with 1 connection limit and the airfare is 100.

USER: That suits my journey, please proceed booking.

ASSISTANT: Ok, the flight ticket is booked. The airlines is Spirit and the flight is 1009. Thank you for connecting with our agency.

USER: Thank you for helping me in reservation.