You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I need your help in updating my recent booking.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name please to check your reservation status?

USER: Sure, Jennifer Lee is my name.

ASSISTANT: Jennifer Lee, I have found your reservation. Can I have your airport codes please?

USER: IAD and DCA are my respective airport codes.

ASSISTANT: May I know your planned travel dates please?

USER: July 10 and 12 are the travelling dates.

ASSISTANT: Do you need a connecting flight?

USER: I am good with any flight, I don't have any preferences.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: I found an economy class in frontier airlines with fare 100 and it has single connection. Can I book your ticket?

USER: Yes, please book the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1003.

USER: Thank you very much.

ASSISTANT: Thank you for approaching us.