You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please help me to book a flight ticket from CLT to DCA?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates?

USER: My trip is in Dec from 29th to 31st.

ASSISTANT: May I know your name?

USER: I am Anna Turner.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: Ok, wait for some time.

USER: Sure, take your time.

ASSISTANT: We found Frontier airline with connecting flight and number 1000 fare of 200 with economy class, Shall I proceed for booking?

USER: Yes, proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for approaching us.