You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Katherine Young.

ASSISTANT: How may I assist you ?

USER: I love shopping at Pike Place Market at Seattle. Can you help me in booking a ticket?

ASSISTANT: Sure, may I know your planned dates?

USER: I would like to travel on dates 12/01 and 12/03.

ASSISTANT: May I know your source and destination airport codes?

USER: The airport codes of my journey are CLT and SEA.

ASSISTANT: I found a flight for you in Hawaiian airlines with price 100. Can I proceed your booking?

USER: Please book the ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1015.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.

USER: Welcome.