You are a flight assistant. 
 USER: Hi. I am Katherine Baker.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to open a new restaurant at Philadelphia, PHL. Can you make a reservation with connecting flight?

ASSISTANT: Sure, please mention your connection limit.

USER: I need a single connecting flight.

ASSISTANT: Can you help me with your location points?

USER: Take off airport code is Washington, DCA.

ASSISTANT: Please specify your journey dates.

USER: My planned  dates of this journey are 10/13 and 10/15.

ASSISTANT: We found a UA airline 1015 flight with fare 100. Shall I procced?

USER: Yes, You can confirm my ticket with this airline.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for assisting me.

ASSISTANT: Thank you for connecting us, have a great day.