You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Melissa White. I need a flight ticket for Chicago. I am planning to visit my Chicago uncle for his marriage day, so please book a flight on 11/14.

ASSISTANT: Sure, can you please share your airport codes?

USER: Sure, source is IAD and destination code is ORD.

ASSISTANT: May I know your return date please?

USER: Sure, my return date is 11/16.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a flight 1023 with Frontier airlines matches with your requested details. the price is 100 with single connection. Shall i proceed?

USER: Okay, please proceed.

ASSISTANT: Ok, your ticket has been processed.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.