You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Please help me in booking my flight ticket from LGA to DFW?

ASSISTANT: Sure, may I know your planned journey dates please?

USER: My travelling dates are Sept 23 and 25.

ASSISTANT: May I know your name please?

USER: Myself Anna Wright.

ASSISTANT: Do you need a connecting flight?

USER: I need connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I prefer my depart ticket at evening time.

ASSISTANT: Anna Wright, no flights has been found on your specifications.

USER: Thanks for the information.

ASSISTANT: Thank you for reaching us.