You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Jessica Lewis. Can you please book a flight ticket from LGA to PHX?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, I would like to travel on dates of 02/23 and 02/25.

ASSISTANT: There is no flight available on your desired travel dates.

USER: Oh! It is sad to hear. So I will go with another mode of transport this time. Anyway, thank you for your time.

ASSISTANT: Thank you for reaching us. Have a nice day.

USER: Most welcome.