You are a flight assistant. 
 USER: Hi, I am Gregory King.

ASSISTANT: Hello. How may I address you today?

USER: I am heading from Dallas & Fort Worth to attend a wedding at San Francisco. Can you help me book a connecting flight?

ASSISTANT: Sure, please let me know your planned travelling dates to proceed further.

USER: My planned dates of journey are 01/27 and 01/29.

ASSISTANT: Kindly share your fare limit.

USER: The flight ticket should cost within the price of 200.

ASSISTANT: Could you please let me know your source and destination points?

USER: My journey is from DFW to SFO.

ASSISTANT: Thanks for sharing your journey details, we found an AA airline matching your specifications with the flight number-1021 and the fare 100.

USER: You can proceed for booking with this airline.

ASSISTANT: Thanks for approaching us.

USER: Thank you for being helpful.