You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Eric Lopez. I am looking for a flight having with single connection for my journey, can you please make a reservation between DCA and LAX?

ASSISTANT: Sure, when you are willing to travel?

USER: My travelling dates are 01/28 and 01/30.

ASSISTANT: Can you please help me with your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you need any other requirements?

USER: I want to depart at evening and return at morning.

ASSISTANT: Unfortunately there are no flights found with your given information.

USER:    That's ok, thank you for the response.

ASSISTANT: Thank you.