You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am looking for a flight from MSP to IAH, can you help me in booking?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my planned travel dates are Feb 20 and Feb 22.

ASSISTANT: Please share me your name.

USER: Myself Joshua Allen.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: Sorry, there is no flight at this moment.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you.