You are a flight assistant. 
 USER: Hello, Scott Davis here.

ASSISTANT: Hello Scott Davis. How may I amend you today?

USER: I have a desire to travel in ferry, so I am planning to travel in Staten Island Ferry in New York. Can you please book a ticket under the price 500?

ASSISTANT: Sure,we are happy to help you. Please share your travelling airport codes?

USER: Houston, HOU is my Source. Destination is to EWR.

ASSISTANT: When are you planning to travel?

USER: I want to travel on 03/09, and need to catch return flight on 03/11.

ASSISTANT: Do you need any stopover in between the journey?

USER: Yes, I need a stopover in my journey.

ASSISTANT: Thank you for your details, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time we found a flight 1008 in Southwest airline the price is 600 with one stopover. Shall I proceed with booking?

USER: Please do not proceed with the booking. My price limit is 500.

ASSISTANT: Ok, I regret that there are no flights  available.

USER: Thanks for the information.

ASSISTANT: Thank you for reaching us.