You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Rachel Nelson here. Can you please help me in booking a flight ticket from ORD to BOS?

ASSISTANT: Sure, I am glad to help. Please provide me your travel dates.

USER: My planning dates are from 05/19 till 05/21.

ASSISTANT: Please wait a moment.

USER: Please make sure that my connection should be 1.

ASSISTANT: Here is a flight matching your requirement and airfare is 200.

USER: Please book it.

ASSISTANT: Your ticket has been booked with 1020 flight in Frontier airlines.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.