You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

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

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: I would like to take off on June 13 and return on June 15.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No.

ASSISTANT: May I know your name for further process?

USER: I am Stephen Miller.

ASSISTANT: Do you have any another specifications?

USER: I am looking for a connecting flight.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Hawaiian airline flight available with connection limit 1 and fare is 300, shall I confirm this economy class flight?

USER: Yes, please confirm the booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1022.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: You are welcome Stephen Miller.