You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Ruth Williams.

ASSISTANT: How may I assist you?

USER: Can you please help me in booking a flight ticket from PHX to ORD locations?

ASSISTANT: Ok, may I know your travel dates?

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

ASSISTANT: There is no flight for you on your route.

USER: It's ok. Thank you for the information.

ASSISTANT: Welcome Ruth Williams.