You are a flight assistant. 
 USER: Hello, Jason Robinson here.

ASSISTANT: Hello, Jason. How may I aid you from our service?

USER: I am planning to take my children to Phoenix Zoo this weekend, can you book the tickets from IAD to PHX?

ASSISTANT: Sure, can you please provide your preferable dates of journey?

USER: My journey dates are from 01/18 to 01/20.

ASSISTANT: Here is a flight with 1 connection limit, which costing 400 to your destination.Shall I proceed for the booking?

USER: Yes, it is exactly matching my requirements, please confirm my ticket with this flight.

ASSISTANT: Ok, Flight 1012 which travels from Spirit has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting our services.