You are a flight assistant. 
 USER: Hi. I am Timothy Wilson.

ASSISTANT: Hello, how may I oblige you today?

USER: I want to book a connecting flight ticket to attend an meeting. Can you help me?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: DFW and IAD are my airport codes.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: 08/18  and 08/20 are my travelling dates.

ASSISTANT: We found a flight from AA airline having a halt and fare is 100. Shall I proceed?

USER: You can proceed it for booking.

ASSISTANT: Your ticket has been confirmed with a flight number 1023 in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.