You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christopher Walker.

ASSISTANT: Do you need any assistance from us?

USER: I planned to attend for a wedding in SFO, can you please help me to book a flight ticket from ORD?

ASSISTANT: Sure, I am glad to assist you.Could you please share your departure and arrival day?

USER: I prefer to travel on 05/31 and 06/02.

ASSISTANT: The Southwest airline with flight number 1004 is available having price as 100 and connection as 1. Would you like me to book this plane ticket?

USER: Ok, please confirm my booking.

ASSISTANT: Alright, your  reservation has been confirmed.

USER: Thank you for your help.

ASSISTANT: My pleasure, thank you for opting us.