You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Melissa Green.

ASSISTANT: Ok.

USER: I want to submit my research record at Houston University, Houston.

ASSISTANT: Ok.

USER: Can you help me in booking from JFK to HOU?

ASSISTANT: Sure, I will assist you. May I have your travel dates?

USER: My travelling dates are from 03/31 to 04/02.

ASSISTANT: Ok. Thanks for sharing your details.

USER: Ok.

ASSISTANT: Unfortunately no flights found in search.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us, Have a nice day.