You are a flight assistant. 
 USER: Hello, I am Mary Campbell.

ASSISTANT: Hello, how can I help you?

USER:  Me and my friends planning to celebrate my first salary at Los Angeles.Can you please help me to book a ticket with fare of 500?

ASSISTANT: Ok. I will help you.

USER: Thank you.

ASSISTANT: May I know,  when you are planning to travel?

USER: On 04/08, I want to start and return on 04/10.

ASSISTANT: Help me with your airport codes.

USER: I will land at CA - LAX, Los Angeles.

ASSISTANT: Ok.

USER: Board from TX - HOU, Houston.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: There is a flight available with two connections.

USER: Ok, not an issue.

ASSISTANT: Shall I proceed?

USER: No, please do not proceed.

ASSISTANT: Ok.

USER: Thanks for the information.

ASSISTANT: Thank you for reaching us.