You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you at present?

USER: I am planning to attend music concert at OAK, can you please help me with booking a flight ticket from IAD?

ASSISTANT: Sure, May I know your planned journey dates?

USER: I would like to take off on June 12 and return on June 14.

ASSISTANT: May I know your good name please?

USER: My name is Emily Anderson.

ASSISTANT: Ok, please wait.

USER: I would like to depart during evening time.

ASSISTANT: Sure. We found a flight in 1016 Frontier Airline with a connected flight and the cost is 100. Can I proceed for booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Sure, your booking has been done and depart time is evening.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for availing us.

USER: You are welcome.