You are a flight assistant. 
 USER: Hi,. I am Kimberly Young.

ASSISTANT: Hello, how can I be at your service?

USER: I am a volunteer at Saving Grace Orphanage, Philadelphia. Can you help me out in booking a ticket?

ASSISTANT: Sure, we are euphoric to help you.

USER: Thank you.

ASSISTANT: Help me with your depart and arrival airport codes.

USER: I need to leave from my nearest airport DCA to reach PHL.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I want to travel on 06/19, and need to catch return flight on 06/21.

ASSISTANT: Is there a connection you prefer in between your journey?

USER: Yes, I need a single connection.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight in UA airline having a halt and fare is 300. Shall I proceed with the booking?

USER: Proceed.

ASSISTANT: Your booking has been confirmed with flight 1010.

USER: Thanks for the help.

ASSISTANT: Thank you for availing us.