You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I assist you today?

USER: I am Matthew Mitchell planning to visit The Field Museum in Chicago, can you book a ticket from PHX to ORD?

ASSISTANT: Sure, May I know your travelling dates please?

USER: Yes, my travel dates are 10/17 and 10/19.

ASSISTANT: Ok, Is there any other requirements for you?

USER: Yes, my price should not exceed 1000 and connection should be 1.

ASSISTANT: Ok, please wait for a minute, we will let you now.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry, there are no flights found within your requirements.

USER: Ok, thank you.

ASSISTANT: Have a Pleasant day.