You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Timothy Roberts.

ASSISTANT: How may I assist you for the day?

USER: I want to book a flight ticket to attend my friend's marriage at PA-PHL.

ASSISTANT: Ok. I will help you in booking, can I have your source code?

USER: Sure, I would like to board at DC-DCA.

ASSISTANT: Do you need a stopover in  between your journey?

USER: I need a connecting flight.

ASSISTANT: Please let me know your planned dates of journey.

USER: Ok, 01/15 and 01/17 are my travelling dates.

ASSISTANT: Give me a minute please, I will check and let you know the flight availability.

USER: Ok.

ASSISTANT: Thank you or giving your valuable time, UA airline flight of price 100 with single connection was available on your dates. Shall I confirm this booking?

USER:  Yes, You can reserve it.

ASSISTANT: Your ticket has been reserved with flight number 1007.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.