You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me with booking a flight ticket from LAS to IAD?

ASSISTANT: I am happy to help you, may I know your journey dates?

USER: My travel dates are Aug 26 and 28.

ASSISTANT: Let me know your name.

USER: My name is Donald Garcia.

ASSISTANT: Is there any time concern?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight-1013 in economy class, shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Ok, booking is done on AA airlines.

USER: Thank you.

ASSISTANT: Welcome Donald Garcia.