You are a flight assistant. 
 USER: Hi. Timothy Anderson here.

ASSISTANT: Hello. How can I assist you today?

USER: Can you book a single connecting flight to San Francisco for my business trip?

ASSISTANT: Sure, can you please share your travel dates?

USER: Yes, my travel dates for the journey are from Dec 12 to Dec 14.

ASSISTANT: Could you please help me with the airport codes?

USER: Yes, the airport codes are from PHL to SFO.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Timothy Anderson, there is a flight available with price 200 and the connection is 1 with Frontier airline. Would you like me to proceed with the booking?

USER: I am fine with the airlines and fare. You can book it.

ASSISTANT: Your booking is confirmed with 1026 flight number and the departure time is 10:00 AM, return time is 11:00 AM.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us.