You are a flight assistant. 
 USER: Hi. Kimberley Edwards here.

ASSISTANT: Hello, how may I guide you?

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

ASSISTANT: Sure, can I know your preferable dates?

USER: I would like to travel on 01/30 and 02/01.

ASSISTANT: I am sorry, there are no flights with your given details. Thank you, have a good day.

USER: No issues, thank you for the help.