You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Brandon Allen. I need to book a ticket to meet my friend because we need to attend the conference meeting  in MNC company. Could you please help me in doing that?

ASSISTANT: Sure, help me with your travelling dates.

USER: My travelling dates are 01/10 and return on 01/12.

ASSISTANT: May I know your airport codes?

USER: My airport codes are DFW and SFO.

ASSISTANT: There is a flight with number 1001 in airline UA. Can I book it?

USER: You can continue with booking.

ASSISTANT: Your ticket is booked, happy journey.

USER: Thank you for helping me in reserving a ticket.

ASSISTANT: Thank you for opting us.