You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I help you?

USER: I am Margaret White. We are planning to participate in the Yosemite adventure with my college friends from Seattle. I would like to book a flight ticket to Charlotte.

ASSISTANT: Sure, May I know the travelling dates?

USER: I would like to depart on 06/29 and arrival on 07/01.

ASSISTANT: Can you share your airport codes?

USER: My airport codes are WA-SEA and NC-CLT.

ASSISTANT: There is flight 1000 with Hawaiian airline and price 100 with a connection. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, Your ticket has been reserved.

USER: Thank you for booking a ticket.

ASSISTANT: Thanks for choosing us.