You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER:  As I am a scientist, I want to attend science festival with my students at Charlotte. Can you do the reservation?

ASSISTANT: Sure, may I know your airport codes?

USER: My airport codes are OAK-CLT.

ASSISTANT: Sure, provide your traveling dates?

USER: My journey dates are 11/16 and 11/18.

ASSISTANT: To proceed further I need your good name please?

USER: Dorothy Clark here.

ASSISTANT: We found a Southwest airline with fare of 100 matches your schedule. Shall I proceed with booking?

USER: Go ahead.

ASSISTANT: Your ticket has been confirmed with flight number 1006.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.