You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I assist you?

USER: I am Rachel Martinez. I am planning to go for shopping in Philadelphia, Can you please reserve a flight ticket from DCA?

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, my journey dates are on May 3rd and 5th.

ASSISTANT: Could you please provide the source code?

USER: My source code is PHL.

ASSISTANT: Do you have any requirements?

USER: I need a connection in between journey.

ASSISTANT: There is a connecting flight number in AA airline with price 100, can I book it?

USER: Ok, confirm my ticket with this airlines.

ASSISTANT: Your ticket has been booked with flight number 1018.

USER: Thanks for the help.

ASSISTANT: Thank you for approaching us.