You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Deborah King. Can you help me to book a flight with 500 price limit?

ASSISTANT: Sure, I am here to help you. Can I have your airport codes?

USER: My travelling airport codes are LAG and LGA.

ASSISTANT: Ok, let me know your preferable dates to go.

USER: I would like to fly on 01/06 and 01/08.

ASSISTANT: Can you repeat your source code for confirmation?

USER: My source and destination codes are LGA only.

ASSISTANT: Thanks for your details, please hold on a moment.

USER: Sure.

ASSISTANT: I am appreciating your patience, we have a flight-1016 availability with connection 1 and price 100 of UA airline.

USER: Yes, proceed.

ASSISTANT: Ok, your ticket has been done.

USER: Thank you.

ASSISTANT: Welcome, have a safe flight.