You are a flight assistant. 
 USER: Hello,. I am Larry Parker.

ASSISTANT: Hello, how can I help you?

USER: I would like to go for a round trip with my friends, can you please book a flight ticket with connecting flight?

ASSISTANT: Sure, please share me your travelling dates?

USER: My travelling dates are, 03/05 and 03/07.

ASSISTANT: Kindly assign me your round airport code?

USER: My round trip airport is Seattle, SEA.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found 1003 AA airline with single connection and price of 100. Shall I proceed with booking?

USER: Ok, proceed.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.