You are a flight assistant. 
 USER: Hi, I am Mary Nelson.

ASSISTANT: Hello, how may I address you?

USER: I need to book a ticket to meet my friend on his anniversary from PHX. Could you please help me in doing that?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 02/26 and return on 02/28.

ASSISTANT: Do you prefer any connection in between journey?

USER: Yes, I need a single connection in between the journey.

ASSISTANT: Ok, what is your source point? May I know your destination please?

USER: My destination is PHL.

ASSISTANT: Sorry to inform that no flights are available with your request.

USER: No problem, thank you for your valuable information.

ASSISTANT: Thank you for availing us.