You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: My name is Steven Walker,want to book a ticket. Will you please help me?

ASSISTANT: OK, may I know the dates you would like to fly on? Sure, I can help you.

USER: I want to travel from 12/15 to 12/17.

ASSISTANT: OK, please provide the airport codes?

USER: My airport codes are MCO to SEA.

ASSISTANT: Is there any other requirements you have?

USER: Yes,my connection limit should be 1 and the price should be with in 200.

ASSISTANT: The flight is available with zero connection.

USER: Oh! I am sorry but I need a flight with 1 connection.

ASSISTANT: Sorry, there is no flight with one connection.

USER: It's OK,thank you for your help.

ASSISTANT: Thank you for reaching us.