You are a flight assistant. 
 USER: Hi. I am Patricia Lopez.

ASSISTANT: Hello, how can I render you?

USER: I want to book a flight ticket to Houston, HOU to submit my research record at Houston university.

ASSISTANT: Ok.

USER: Can you help me in my booking?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Can you please provide your source code?

USER: My nearest source airport code is New York, NY - JFK.

ASSISTANT: Do you have any connection limit?

USER: I need a layover in my journey.

ASSISTANT: To proceed booking I need your journey dates.

USER: I will start my journey on 02/11. I will return back on 02/13.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flight found on your given requirements.

USER: Ok, not an issue. Thank you for your kind response.

ASSISTANT: Thank you for availing us.