You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Thomas Phillips. Please book me a ticket from SFO to BOS to meet my family.

ASSISTANT: Sure, I am happy to help you and can you please mention your journey dates?

USER: I have planned to travel on 03/27 and 03/29.

ASSISTANT: Is there any other preferences that you need?

USER: Yes, please search the flight with normal-cost.

ASSISTANT: Thank you for your information, there is a flight 1020 with a 1 drop off in Delta airlines and the fare of the ticket is 100. Is it ok for you to book the ticket?

USER: Ok, please book this ticket.

ASSISTANT: Ok,I have booked your flight ticket booking.

USER: Thank you.

ASSISTANT: You are most welcome and thank you for reaching us.