You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide service to you?

USER: I need to attend fora client meeting in LAS. Can you please make a reservation from IAD?

ASSISTANT: Sure, can you please let me know your travel dates?

USER: Sure, I want to depart on June 26 and need to return on June 28.

ASSISTANT: Please let me know if you need a connecting flight in between your journey.

USER: I need a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a connecting flight in Hawaiian Airlines with flight number 1023 having an economy class. Shall I proceed for booking?

USER: Ok, please proceed for booking.

ASSISTANT: May I know your name to book a ticket?

USER: I am Susan Turner.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for approaching us.