You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Ok, may I know your travelling dates to search for the flight?

USER: Sure, I need to travel on dates of 07/06 and 07/08.

ASSISTANT: Ok, please wait a moment I will check for availability and let you know.

USER: Sure, take your time.

ASSISTANT: Ok. Sorry to say, no flights were found on your dates.

USER: It's ok fine, no problem.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thank you for your time.