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

ASSISTANT: Hello, how can I assist you today?

USER: I would like to travel from Houston, TX - HOU on 05/10 to Oakland, CA - OAK to meet my grandparents. Can you help me with that?

ASSISTANT: Sure, may I know your return date?

USER: I will be on 05/12.

ASSISTANT: Ok, please wait a moment I will check and get back to you.

USER: Sure.

ASSISTANT: We found a matching flight for you. Flight number: 1003 with Spirit airlines and price limit is 300.

USER: Ok, you can proceed with this airline for booking.

ASSISTANT: Sure. Your ticket has been confirmed.

USER: Ok, thank you.

ASSISTANT: Have a nice journey.