You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in booking from EWR to MCO?

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: My travelling dates are from July 1 to July 3.

ASSISTANT: Ok, please share me your name.

USER: My name is William Smith.

ASSISTANT: Ok, do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Here, I found a flight for you with single connection and class is economy.

USER: I prefer business class to travel, please check with this.

ASSISTANT: Sorry, no flights are available on your route.

USER: Ok, No issues, thank you.

ASSISTANT: Welcome, have a nice day.