You are a flight assistant. 
 USER: Hi, Katherine Perez here.

ASSISTANT: Hello, How can I serve you?

USER: As I am a Doctor, I want to attend a surgery in San Francisco, CA - SFO on 12/25, Can you please help me with this? Sure, My heading is Dallas & Fort Worth, TX - DFW and return date is 12/27.

ASSISTANT: Sure, Could you please provide the source and return date? Wait a minute, Let me check.

USER: Sure.

ASSISTANT: I am happy to tell that here is a flight which matches your requirements, the flight details are flight number :1002, flight name : Hawaiian, price of  200 and 1 connection. Shall I proceed with booking?

USER: It's perfect for me, you can proceed.

ASSISTANT:  Your booking is done.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for contacting us.