You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I assist you today?

USER: I want to book a flight ticket to attend my grandmother memorial service on 02/09 and return on 02/11. Can you please make a flight booking?

ASSISTANT: Sure, we are here to help you. May I know your source and destination airport abbreviates?

USER: I want to fly from Houston, TX - HOU and reach to Oakland, CA - OAK.

ASSISTANT: Do you need any connection limit?

USER: I need a connecting flight.

ASSISTANT: We found a flight 1004 in Delta airline the price is 100 with one halt. Shall I process your flight ticket?

USER: Ok, you may proceed. I am Karen Brown.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a great journey.