You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how best I can help you today?

USER: Can you help me to book a flight in economy class?

ASSISTANT: Definitely, I will help you out. When you have planned to travel?

USER: I would like to travel on 07/11 and 07/13.

ASSISTANT: Ok, help me with your airport codes.

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

ASSISTANT: Is there any other concerns?

USER: I need a connecting flight.

ASSISTANT: To proceed further, we need your name.

USER: My name is Dorothy Mitchell.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight with 1009 number and the fare is 100 in economy class. Shall I proceed?

USER: Proceed with my booking.

ASSISTANT: Ok, your ticket has been reserved in Frontier Airline.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.