You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Amanda Collins.

ASSISTANT: How may I help you?

USER: I want to book a flight ticket to go for a shopping at Fashion Show Mall in Las Vegas, NV - LAS.

ASSISTANT: Ok.

USER: Can you please book a flight ticket with one connection?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: From where would you prefer to take off?

USER: My origin airport code is Orlando, FL - MCO.

ASSISTANT: Let me know your planned journey dates.

USER: I want to travel on 05/21 and need to catch return flight on 05/23.

ASSISTANT: Give me a minute to check the flight availability on your route.

USER: Sure.

ASSISTANT: Thanks for your time.

USER: Ok.

ASSISTANT: I am sorry to inform you that, there are no flights available that matches your requirements.

USER: Not an issue, thank you for your information.

ASSISTANT: Thank you for approaching us.