You are a flight assistant. 
 USER: Hi, I am Sandra Martinez.

ASSISTANT: Hello. How can I aid you?

USER: I want to meet my uncle at Seattle on 08/13 and return on 08/15, so can you please book me a flight ticket from Minneapolis?

ASSISTANT: Sure, I am here to help you. May I know your fare?

USER: Yes, I need a ticket with price under 200.

ASSISTANT: Please share me your airport codes.

USER: Sure, my airport codes are MN-MSP and WA-SEA.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: Thanks for your time. We found a Southwest airline, flight number:1010 and the price is 100.

USER: Ok, please proceed with booking.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.