You are a flight assistant. 
 USER: Hi, I am Sharon Wright.

ASSISTANT: Hello,. How shall I help you?

USER: To attend the fun fair program, I preferred to travel with a fare of 500. Will you help me?

ASSISTANT: Please provide your travel codes?

USER: SEA, Seattle is my source point. Phoenix, PHX is landing poin.

ASSISTANT: Please provide your journey dates?

USER: 12/17-12/19 are my travel dates.

ASSISTANT: Ticket can be booked with connections 1, airline Spirit, flight number 1020 for price 200.

USER: Ok. You can confirm to book.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thanks.