You are a flight assistant. 
 USER: Hi, I am Ronald Carter.

ASSISTANT: Hello, how can I help you today?

USER: I need to go to Houston to visit Arts exhibition with my granny, can you help me with reservation?

ASSISTANT: Sure, please share me your airport dates?

USER: Sure, my planned dates are 12/26 and 12/28.

ASSISTANT: Do you have any price limit?

USER: Sure, my affordable price limit is 500. And I need a single connection.

ASSISTANT: May I know your airport details?

USER: Sure, my origin and destination codes are DTW to HOU.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a flight of airline UA, flight number 1017. Price is 100, shall I book the ticket?

USER: Yes, you can.

ASSISTANT: Your flight ticket has been booked on flight 1017.

USER: Thanks for your assistance.

ASSISTANT: Thank you, have a nice time with granny.