You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Joshua King. I want to attend a sports event in Phoenix, could you please help me with booking a flight ticket?

ASSISTANT: Can you help me with some more information for better search?

USER: My travelling dates are 06/26 and 06/28. Source airport code is DTW and destination airport code is PHX.

ASSISTANT: As per your request there is a flight available for you from UA airlines with number 1020. Shall I proceed to book the ticket?

USER: Make sure that the price limit should not exceed 200.

ASSISTANT: Yes, the price is 100.

USER: Please confirm the booking.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for the help.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.