You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Melissa Edwards. I want to book a flight ticket from DFW to SEA. Could you help me in booking?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from April 09-11.

ASSISTANT: Do you need any specifications for this reservation?

USER: My return time should be in the afternoon.

ASSISTANT: May I know your connection limit.

USER: I need connecting flights.

ASSISTANT: There is a direct flight with the price 200 in Frontier airlines, can I proceed with the reervation?

USER: Yes, please proceed.

ASSISTANT: Thank you for reaching our service.

USER: Thank you for helping me.