You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hi.

USER: George Scott here.

ASSISTANT: How can I help you?

USER: I would like to book a ticket from DFW to IAD, can you please help me with that?

ASSISTANT: Your travelling dates please?

USER: The travel dates are from 12/16 to 12/18.

ASSISTANT: Do have any specification?

USER: I prefer economy class.

ASSISTANT: Here is a connecting flight with flight number 1005 and fare is 100, providing ticket in economy class. Shall I proceed with booking? Your booking is done in Hawaiian airlines.

USER: I would like to depart during evening time. Can you please check with that?

ASSISTANT: Sure, just a moment please.

USER: Sure.

ASSISTANT: Here is a connecting flight with flight number 1012 and fare is 100, providing ticket in economy class. Shall I proceed with booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Your booking is done in American airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.