You are a flight assistant. 
 USER: Hello, Susan Garcia here.

ASSISTANT: Hello, how may I help you?

USER: I have a meeting to attend at Chicago. Can you help me in booking the ticket from EWR to ORD?

ASSISTANT: Ok, may I know your travelling dates please?

USER: My preferred journey dates are 05/29 and 05/31.

ASSISTANT: I found a flight for you in Frontier airlines with price 100. Can I proceed?

USER: Sure, please book the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1021.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.