You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Aid me in booking a ticket with the name of Matthew Rodriguez on 04/14 from Boston, BOS.

ASSISTANT: Sure, please share your destination airport code?

USER: Las Vegas, LAS is my airport code.

ASSISTANT: When would you like to return?

USER: My return date is on 04/16.

ASSISTANT: May I know your good name please?

USER: I mentioned already, Please check it once.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights are available with your request.

USER: It's Fine. Thank you for your information.

ASSISTANT: Thanks for opting us.