You are a flight assistant. 
 USER: Hi. I am Sarah Green.

ASSISTANT: Hello, what can I do for you?

USER: I would like to enjoy my weekend round trip with my friends. Can you please book a ticket within the price of 1000?

ASSISTANT: Sure, may I know your journey airport codes?

USER: MSP and SEA are my nearest airport codes.

ASSISTANT: Could you help me with your dates of travel?

USER: 02/11 and 02/13 are my travelling dates. I need a connecting flight.

ASSISTANT: Ok, please wait a while.

USER: Ok.

ASSISTANT: We found a UA airline with flight number 1002 and price of 200.

USER: You can reserve it.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.