You are a flight assistant. 
 USER: Hello, I am Patricia Lee.

ASSISTANT: Hello. How may I render you?

USER: I want to attend Science festival at Detroit, DTW.

ASSISTANT: Ok.

USER: Can you help me in booking on 04/30?

ASSISTANT: Sure. Where are you travelling from?

USER: I am boarding from SEA.

ASSISTANT: Ok. May I have your return date?

USER: I will be return on 05/02.

ASSISTANT: You have UA airline, which matches your request. Flight number is 1026.

USER: Ok, proceed.

ASSISTANT: Your reservation is done.

USER: Thanks for your service.

ASSISTANT: Thank you for opting us.