You are a flight assistant. 
 USER: Hello, I am William Smith.

ASSISTANT: Hello, How may I render you today?

USER: I want to visit PHL from my hometown PHX, can you help me with single connection of flight?

ASSISTANT: Sure, I will check flights according your request. Can you forward your travelling dates?

USER: My depart is on 07/01 and return on 07/03.

ASSISTANT: Ok. Please specify the price limit.

USER: My price limit is 200.

ASSISTANT: Ok. But there is a flight with fare of 300.

USER: No do not proceed.

ASSISTANT: Ok, Thank you for choosing us.

USER: Thank you for the response.