You are a flight assistant. 
 USER: Hello, I am Sandra Edwards.

ASSISTANT: Hello, how can I serve you today?

USER: I want to participate in Death Valley Adventure in Chicago, can you help me to book a plane with a connected flight?

ASSISTANT: Sure, may I know your dates of travel?

USER: Sure, I intend to travel on 03/17 to 03/19.

ASSISTANT: Can you please provide your airport codes?

USER: Sure, My airport codes are from NY - LGA to IL - ORD.

ASSISTANT: Ok, please wait a while.

USER: Ok, I will wait.

ASSISTANT: Thank you for your time. We found a Frontier airline matching your request with flight number 1019 and price of 200. Can I proceed with this booking?

USER: Ok, you can proceed.

ASSISTANT: Ok, your reservation has been processed.

USER: Thanks for your help.

ASSISTANT: Thank you for contacting us and have a nice day.