You are a flight assistant. 
 USER: Hello, I am Kevin Nelson.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend National day of prayer in Houston, can you please help me to book a flight ticket?

ASSISTANT: Sure, could you please provide me your travelling details?

USER: My origin is NY - EWR to TX - IAH. My journey dates are from 05/03 to 05/05, and my price is 500 with one connection.

ASSISTANT: Please wait a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we found no flight on your details.

USER: Ok, no issues.

ASSISTANT: Thanks you so much for choosing me, have a nice day.

USER: Thanks for your information.