You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Dennis Johnson, I planned a tour with my family to visit Aquarium of the Bay at San Francisco CA-SFO.

ASSISTANT: Ok, can you provide me your origin code and travelling dates please?

USER: I will fly from Orlando, FL-MCO and my journey date is 07/11 and return date is 07/13.

ASSISTANT: Thank you for being patience, we found an airline Spirit of flight number 1027. Price 800 with a single connection. Shall I proceed your booking?

USER: Sorry I need a flight of price under 500.

ASSISTANT: Ok, we do not have a flight of under price 500.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us, have a good day.