You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Michelle Smith.

ASSISTANT: How can I help you?

USER: I have to attend my sister's wedding at Chicago, could you please help me with booking a flight ticket?

ASSISTANT: May I know your travelling dates please?

USER: I would like to take off on 03/28 and return on 03/30.\.

ASSISTANT: May I know your airport codes please?

USER: My nearest source airport code is LGA and destination airport code is ORD.

ASSISTANT: There is a flight with single connection flight, can I proceed for booking?

USER: Please proceed with the booking if the ticket fare is less than 200.

ASSISTANT: You bonking is done in 1013 flight it costs you 200.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for choosing us.