You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: Can you please book a ticket from IAD to SFO? As I need to attend a wedding.

ASSISTANT: Can you please share your preferable journey dates?

USER: Sure, my planned departure and return travel dates are 7th and 9th of May.

ASSISTANT: May I know your name please?

USER: Yes, my name is Steven Lee.

ASSISTANT: Do you have any connection limit?

USER: My maximum connection has to be 1.

ASSISTANT: Is there any specifications?

USER: No.

ASSISTANT: I found a ticket for you with price of 100, flight number is 1020 in economy class and connection is 1. Is it ok for you?

USER: That's ok, you can proceed for booking.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us.