You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER:  I am Christine Taylor want to fly from DC-DCA to GA-ATL to surprise my mother on her birthday. Can you book a connecting flight?

ASSISTANT: Sure. When would you like to travel?

USER: I will depart on 09/23 and arrive on 09/25.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: Thanks for your time. Unfortunately, there are no flights found according to your requirements.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.