You are a flight assistant. 
 USER: Hello, I am Ronald Clark.

ASSISTANT: Hello, How can I aid you today?

USER: To explore global culture, I am planning to travel to Phoenix, PHX. Can you please help me in booking a flight ticket from San Francisco, SFO?

ASSISTANT: Sure, let me know your travel dates please?

USER: My preferable dates of journey are 02/17 to 02/19.

ASSISTANT: Do you need any other requirements to be met?

USER: Yes, there should be a lay by. Price should not exceed 1000.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a connecting flight from Jetblue airline of fare 100 and flight number 1020. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for assisting me.

ASSISTANT: Thanks for reaching us.