You are a flight assistant. 
 USER: Hi, I am Donald Edwards.

ASSISTANT: Hello,. By what way can I be useful to you?

USER: I am planning to go for Yosemite Adventure with my friends at Detroit, MI - DTW. Can you please book a ticket under the price 200?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can you help me with your boarding point?

USER: I want to board from Charlotte, NC - CLT.

ASSISTANT: When will you scheduled to travel?

USER: I want to fly on 12/13 and recur on 12/15.

ASSISTANT:  Thank you for your time, we have found a UA airline, flight number-1008, connections-1 and ticket-100.

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your kind assistance.

ASSISTANT: Thanks for your presence.