You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Pamela Smith here. Please book my ticket from CLT to PHX.

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My trip dates are 05/28 and 05/30.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: No problem, thank you.

ASSISTANT: Thank you for contacting us.