You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you out today?

USER: On the name of Karen Green, help me in booking a ticket on the dates of 11/09 and return date is on 11/11.

ASSISTANT: Sure, I will check flights accordingly with respective to your travel dates. Do you have any other requirements?

USER: I need to start from Washington, IAD to reach  the place of Los Angeles, LAX.

ASSISTANT: Ok. Thanks for the details.

USER: Fine.

ASSISTANT: There is UA airline with flight number 1004. It's a connecting flight. 100 is the price limit. Shall I continue to book?

USER: Ok, proceed.

ASSISTANT: Your reservation is done.

USER: Thank you for being helpful.

ASSISTANT: Thank you.