You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you find a flight for me from IAD to PHX?

ASSISTANT: Can I know your travelling dates?

USER: Ok, my planned dates are from June 07 to 09.

ASSISTANT: Please let me know your connection limit?

USER: I would like to return in the afternoon time with 1 connection.

ASSISTANT: Do you have any other preference?

USER: Economy is my class preference.

ASSISTANT: May I know your name please?

USER: Sure, I am Michelle Wilson.

ASSISTANT: Sorry, no flights available on your route.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.