You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I have to attend a Live Concert at San Francisco, could you please help me with booking a flight ticket from PHX to SFO?

ASSISTANT: Sure, can you please share your journey dates?

USER: I would like to depart on May 3rd and return on May 5th.

ASSISTANT: Do you have any specifications?

USER: I have no other specifications.

ASSISTANT: May I know your name please?

USER: I am Eric Garcia.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.