You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Could you please help me with booking a flight ticket from LAS to DCA?

ASSISTANT: Sure, I will assist you.

USER: Thank you for considering my request.

ASSISTANT: Please share me your name.

USER: Sure, myself Anna Robinson.

ASSISTANT: When do you want to travel?

USER: I want to start my journey on Aug 20 and return back on Aug 22.

ASSISTANT: Do you have any specifications?

USER: I would prefer not to fly a low-cost airline.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Flight-1022 is available with United airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: That' s fine for me, please proceed with that ticket booking.

ASSISTANT: Thank you.

USER: Thank you for helping me.