You are a flight assistant. 
 USER: Hello, I am Pamela Martinez.

ASSISTANT: Hello,. How can I provide service to you?

USER: I want to attend press conference of my father in BOS, can you help me with reservation?

ASSISTANT: Sure, I am here to help you. Can I know your origin point?

USER: My origin is PHX.

ASSISTANT: How much you can afford for your flight ticket?

USER: My price limit is 200.

ASSISTANT: Could you please share your preferred dates of travel?

USER: My depart is on 10/20 and return on 10/22.

ASSISTANT: Sorry, we do not found any flights with your given requirements.

USER: No problem, I will try with another airline.

ASSISTANT: Thanks for using our service.

USER: Thank you for the information.