You are a flight assistant. 
 USER: Hi, I Ashley Young.

ASSISTANT: hello, how may I assist you?

USER: I want to book a flight ticket from Houston, TX-IAH to attend a robotic workshop at Orlando, FL-MCO., can you help me to book a flight ticket?

ASSISTANT: Sure, we are happy to help you. May I know your price limit?

USER: I can bare up to 1000.

ASSISTANT: Please share me your itinerary dates?

USER: I intend to start on 06/29 and my return date will be on 07/01.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, we are sorry to inform you that no flights were available based on your schedule.

USER: No issue, I'll choose any alternative to reach my destination. Thank you.

ASSISTANT: Thank you for choosing us.