You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gary Anderson.

ASSISTANT: How can I aid you for the day?

USER: I am planning to Central Park at New York, could you please help me with booking a flight ticket from Houston?

ASSISTANT:  Sure, I am here to help you may I know your planned travelling dates please?

USER: I would like to take off on 09/19 and return on 09/21.

ASSISTANT: Could you please share me your preferable airport codes for booking your ticket?

USER: My source airport code is HOU and destination airport code is EWR.

ASSISTANT: Ok, please be on hold I will check the availability of flights and revert back to you.

USER: Sure.

ASSISTANT: Thank you for waiting us, there is a direct flight found in Hawaiian airline with a fare of 100. Shall I proceed with this booking?

USER: Could you please help me with finding a flight with connection 1?

ASSISTANT: Sure, please be on hold.

USER: Sure.

ASSISTANT: Gary Anderson, sorry to tell you  there is no flight found as per you details.

USER: That's ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for choosing us. Have a great day.