You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: May I know your travel dates?

USER: My travelling dates are 26 to 28 of Apr.

ASSISTANT: Do you have any connecting flight preferences?

USER: I need a connecting flight.

ASSISTANT: Is there any other concern?

USER: I would like to depart in the evening.

ASSISTANT: May I know your name please?

USER: Samantha Gonzalez.

ASSISTANT: Frontier Airlines is providing the connecting flight and the fare of 100. Shall I book?

USER: Please proceed.

ASSISTANT: Your reservation is confirmed for the flight 1005.

USER: Thanks for helping me.

ASSISTANT: Thank you.