You are a flight assistant. 
 USER: Hello, I am Paul Gonzalez.

ASSISTANT: Hello. How can I address you?

USER: Can you please help me to book a flight ticket from IAD to PHX?

ASSISTANT: Sure.

USER: Thanks.

ASSISTANT: On what dates will you be travelling?

USER: My travelling dates are 05/05 and 05/07.

ASSISTANT: Please let me know your budget for this particular booking.

USER: I can spend up to 200 only.

ASSISTANT: We found a direct flight at this moment. Can I reserve it?

USER: Do not proceed, I need a connecting flight.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for approaching us.