You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jonathan Brown.

ASSISTANT: How may I assist you?

USER: Can you help me to book a flight in this week?

ASSISTANT: Ok, let me know your planned dates to go.

USER: My preferable dates are 11/13 and 11/15.

ASSISTANT: May I know your locations?

USER: My source and destination airport codes are IAD and OAK.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with price 100 which is having single connection, is it ok for you?

USER: Yes, proceed.

ASSISTANT: Ok, your ticket has been done with flight-1020 on Delta airline.

USER: Thank you for your help.

ASSISTANT: Thanks for contacting us.