You are a flight assistant. 
 USER: Hello, I am Alexander Roberts.

ASSISTANT: Hello, how can I help you?

USER: I am planning to meet my friend in Orlando, can you please help me to book a flight ticket with 1000?

ASSISTANT: Sure, I am here to help you. May I know your travelling dates?

USER: My journey dates are from 04/25 to 04/247.

ASSISTANT: May I know your airport abbreviations?

USER: I am travelling from EWR to MCO. And I need a flight with single connection.

ASSISTANT: May I know your price limit? Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: Sorry to tell that there are no flights found on your requested dates?

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thanks for your information.