You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Carol Hall.

ASSISTANT: How may I help you?

USER: I am planning for a holiday trip, can you please help me to book my ticket within the price of 500?

ASSISTANT: Sure, I will help you. May I know your airport codes?

USER: Sure, I would like to travel from LAX to DEN.

ASSISTANT: Can you please tell me your travelling dates?

USER: Yes, I will depart on 06/28 and return on 06/30.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: As per your request, I found a direct flight for you.

USER: Please check for the flight with 1 connection.

ASSISTANT: Sorry Hall, there is no flight available with 1 connection.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.