You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Brandon Robinson here.

ASSISTANT: Brandon, how can I assist you?

USER:  I would like to travel from SEA to IAD on a holiday trip. Can you help me in booking a ticket?

ASSISTANT: Sure, please share your itinerary dates.

USER: I would like to travel on 12/23 and back on 12/25.

ASSISTANT: Please wait for a moment.

USER: Sure, carry on.

ASSISTANT: AA airlines with flight 1007 is available for you.

USER: Ok, please go ahead for booking my ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.