You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I want to book a flight ticket to attend an client meeting which is going to held at DC. Can you help me?

ASSISTANT: Sure, I will aid you with that. Can you please mention your preferable travel dates?

USER: Oct 25th and 27th are my travelling dates.

ASSISTANT: Could you please mention your preferable airport code names?

USER: MSP and IAD are my airport codes.

ASSISTANT: May I know your name for further process?

USER: Eric Thomas here.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No.

ASSISTANT: Do you have any another specifications?

USER: No more specifications.

ASSISTANT: Ok, please hold on a moment.

USER: Ok.

ASSISTANT: AA flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: You can reserve it.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1005.

USER: Thank you for your help.

ASSISTANT: You are welcome Eric Thomas.