You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I need to attend for an workshop in EWR. Can you please make a reservation from DEN?

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

USER: Sure, I want to travel on Mar 5 and intend to return on Mar 7.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: My return time must be in the morning.

ASSISTANT: There is a flight with single connection in Frontier airlines, can I proceed for booking in economy class?

USER: Ok, please proceed.

ASSISTANT: On which name can I proceed for booking?

USER: Margaret Nelson here.

ASSISTANT: Your booking is done in 1014 flight.

USER: Thank you.

ASSISTANT: Thank you for choosing us.