You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Margaret Martin. Could you please book a flight ticket in economy class to San Francisco?

ASSISTANT: Margaret Martin, I am here to help you for this. When you are planning to travel?

USER: I have planned to travel on 23 Sept and return on 25 Sept.

ASSISTANT: Could you please provide me your airport codes?

USER: My travel airport codes are AUS and SFO.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: At what time are you planning to depart and return?

USER: I want to depart in the afternoon.

ASSISTANT: Is there any other specifications?

USER: Yes, I am looking for a flight with 1 connection.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: As per your data, I found a flight with American Airlines and the ticket fare is 100. Would you like me to make the booking now?

USER: If the departure time is afternoon, please proceed.

ASSISTANT: Your ticket is reserved in economy class with the flight-1015. Your depart time is 18:00 PM, and again your arrival time is 16:00 PM.

USER: Thank you for your service.

ASSISTANT: Thank you very much for reaching our agency.