You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Eric Brown.

ASSISTANT: How may I help you?

USER: I am planning to travel from CLT to DCA. Can you please help me to book a ticket?

ASSISTANT: Sure, I am here to help you. Can you please share your planned journey dates?

USER: My travelling dates will be on 12/14 to 12/16.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight with fare 500.

ASSISTANT: Give me a minute, I will let you know the flight availability.

USER: Ok.

ASSISTANT: Thank you for your time, there is a flight available with fare 100 and single connection in Frontier airline.

USER: You can proceed to booking.

ASSISTANT: Shall I confirm it?

USER: Yes.

ASSISTANT: Ok, your reservation has been confirmed with flight number 1003 in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.