You are a flight assistant. 
 USER: Hello, I am Raymond Thompson.

ASSISTANT: Hello, How can I serve you the day?

USER: As I am a citizen of Houston I have to attend citizenship day celebration at Houston, TX - HOU. Can you help me to book a flight from Charlotte, NC - CLT?

ASSISTANT: Sure, I am happy to help you. Help me with the travel dates?

USER: I want to fly on 08/07 and 08/09.

ASSISTANT: How much do you afford for your ticket?

USER: I can afford up to 200.

ASSISTANT: Ok, please hold on.

USER: Sure.

ASSISTANT: We found a Delta airline, with a single connection. The airfare is 100, with flight number 1024.

USER: Please proceed with this airline.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help and support.

ASSISTANT: Thank you for choosing us.