You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in booking a flight ticket to ORD from IAH in June month?

ASSISTANT: Sure, we are here to help you.

USER: Thank you for considering my request.

ASSISTANT: Can you share me your travelling dates to book a flight?

USER: Sure, my travelling dates are June 07 and June 09.

ASSISTANT: May I know your name?

USER: Sure, my name is Raymond Williams.

ASSISTANT: Do you have any other specifications?

USER: I need direct flight for my journey.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thanks for approaching us.