You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: This is Anna Young and I want to book a flight from ORD to CLT, can you please help?

ASSISTANT: Can I know your travelling dates?

USER: I will travel from May 29th to May 31st.

ASSISTANT: Connecting flight can be booked with airline Frontier for price 100. Shall I book a ticket?

USER: Please proceed with the booking.

ASSISTANT: Ticket is booked having flight number 1001.

USER: Thank you for your help.

ASSISTANT: Thanks.