You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you aid me to book a flight ticket from SFO to PHL?

ASSISTANT: Can I know your travelling dates please?

USER: I planned my trip on the dates Mar 20 and Mar 22.

ASSISTANT: Please let me know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other preference?

USER: No, other specifications.

ASSISTANT: Can I know your name please?

USER: Myself Barbara Evans.

ASSISTANT: Here is a connecting flight with fare 200 and 1000 as flight number in United Airline. Shall I proceed with booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.