You are a flight assistant. 
 USER: Hello,. I am Betty Walker.

ASSISTANT: Hello, How can I support you today?

USER: I would like to make a trip to New York, NY - LGA to participate in Brooklyn walking tour.

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: Kindly, share your trip dates?

USER: I want to travel on 02/27, and need to catch return flight on 02/29.

ASSISTANT: Can you help me with source code?

USER: Source is from Houston, IAH.

ASSISTANT: Do you have any other specifications?

USER:  Make sure to check a flight with in a price limit of 200.

ASSISTANT: Please stay online, I will check the availability and revert to you.

USER: Sure.

ASSISTANT: Sorry, we found no flights with your specifications.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.