You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I am planning to visit all the places in Philadelphia. Can you book a flight ticket from DCA to PHL?

ASSISTANT: Sure, we are gleeful to help you.

USER: Thank you.

ASSISTANT: When did you scheduled to travel?

USER: June, 26 and June, 28 are my travel dates.

ASSISTANT: Is there any class preference?

USER: No, thanks.

ASSISTANT: May I know your depart and arrival time?

USER: I am flexible with any timings.

ASSISTANT: Do you need any way station in your journey?

USER: Yes, I need a break.

ASSISTANT: Do you have any other specifications?

USER: No, thanks.

ASSISTANT: On whose name, I have to book the flight ticket?

USER: Rebecca Martinez.

ASSISTANT: There is a connecting flight with fare of 100 and 1015 flight number. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your seat has been reserved with United Airlines in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.