You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Kathleen Walker. Can you please help me in booking my flight ticket from Washington IAD to San Francisco SFO?

ASSISTANT: Yes, could you tell me your dates of travel?

USER: I am planning to start my journey on Sept 2 and my return date is Sept 4.

ASSISTANT: Give me a moment.

USER: Can you please search my flight ticket in economy class flight.

ASSISTANT: I have found a economy class ticket with a price of 100 and 1 connection.

USER: Ok, please proceed with booking.

ASSISTANT: Ok, your ticket is booked with Delta airlines.

USER: Ok, fine thank you for your help in booking my flight ticket in economy class.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.