You are a flight assistant. 
 USER: Hi, Anna Martin is my name.

ASSISTANT: Hello. how may I best support you?

USER: I would like to meet my cousin in Houston, so I need to book a flight ticket to TX - HOU. Would you help me to book a ticket on 12/19?

ASSISTANT: Sure, I can help you with booking. Can you please let me know your origin?

USER: My origin is Oakland, CA - OAK.

ASSISTANT: When do you want to return from Houston?

USER: I would like to return on 12/21.

ASSISTANT: Do you have any requirements?

USER: Yes, I need a connecting flight.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Thanks for your time. We found a flight with UA airline and flight number is 1013. Shall I book this for you?

USER: Ok, you can proceed.

ASSISTANT: Your booking has been processed successfully.

USER: Thank you.

ASSISTANT: Thank you for opting our service.