You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Susan Martin. Can you help me in booking from LAS to PHX?

ASSISTANT: Sure, may I know your dates of journey please?

USER: My trip dates are 01/27 to 01/29.

ASSISTANT: Sorry Susan, there is no flight found as per your travelling details.

USER: No issue, thank you.

ASSISTANT: You are welcome always.