You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me book a direct flight from Orlando to Las Vegas in order to attend a seminar, on the name of Amy Wright?

ASSISTANT: Sure, may I know your travel dates please?

USER: I will start on 01/26 and end on 01/28.

ASSISTANT: Can you please share me your preferable airport codes?

USER: My journey is from MCO to LAS.

ASSISTANT: Do you have any other specification?

USER: Price should be within 500.

ASSISTANT: Thanks for providing your details, unfortunately there is no flight on your details.

USER: Ok, thank you for the information.

ASSISTANT: Thanks for choosing us.