You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Samuel Lee, can you help me to search a flight to DFW?

ASSISTANT: Sure, I am here to help you. Can you please provide your origin airport code for a better search?

USER: Sure, I will prefer my current location airport SFO as my origin.

ASSISTANT: May I know your preferable journey dates to proceed further?

USER: I am planning to start my journey on 03/24 and return on 03/26.

ASSISTANT: Thank you for providing details, wait a moment please.

USER: Sure, search a flight with 1 connection limit.

ASSISTANT: Samuel Lee, there is a service with JetBlue airlines with 1 connection limit. Shall I book your ticket?

USER: Yes, please.

ASSISTANT: Your ticket is confirmed with flight number 1004.

USER: Thank you for your help.

ASSISTANT: Thank you and have a safe journey.