You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Angela Jackson. I want to book a flight ticket from PHL to IAD. Could you help me in booking?

ASSISTANT: Please provide your travel dates.

USER: My travelling dates are from June 26-28.

ASSISTANT: Do you have any preferences?

USER: My return time should be in the afternoon and I need 1 connecting flight.

ASSISTANT: Flight-1011 is available in Delta airlines with single connection and the flight fare is 100. Can I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking is confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.