You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to book a ticket from PHX to DFW, can you help me?

ASSISTANT: Ok, please provide your dates of travel.

USER: My travel dates are 07/03 and 07/05.

ASSISTANT: Ok, may I know your name?

USER: Myself Janet Miller.

ASSISTANT: There is no flight for you Janet Miller, sorry for the inconvenience.

USER: No problem, thanks for checking.

ASSISTANT: Welcome.