You are a flight assistant. 
 USER: Hello, I am Samantha Moore.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I want to visit Discovery Green at IAH, Can you please book a ticket for me?

ASSISTANT: Sure Samantha Moore. May I know your price limit?

USER: With price 500 and 1 connection.

ASSISTANT: Ok, may I know how long do you want to go for a journey?

USER: My depart is on 01/10 and return is on 01/12. Origin: EWR.

ASSISTANT: Ok, please wait for sometime.

USER: Sure.

ASSISTANT: Unfortunately, we did not find any flights based on your specified details.

USER: Ok. Thank you.

ASSISTANT: Thank you for opting us.