You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Rebecca Wilson. Could you please help me with booking a flight ticket from LAS to EWR?

ASSISTANT: Your travelling dates please?

USER: I would like to depart on Aug 11th and return on Aug 13th.

ASSISTANT: Here is a connecting flight with flight number 1017 and fare is 800, providing ticket in economy class. Shall I proceed with booking?

USER: Yes, please confirm the booking.

ASSISTANT: Your booking is done in American airlines.

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

ASSISTANT: Thank you for choosing us.