You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Stephanie Carter here.

ASSISTANT: How may I help you?

USER: Can you help me in booking a flight ticket to DEN?

ASSISTANT: Sure, can I have your itinerary dates?

USER: Ok, here are my departure and arrival airport dates 09/09 and 09/11.

ASSISTANT: Ok, may I know your source code?

USER: Sure, PHX and DEN are my respective travelling airport codes.

ASSISTANT: Ok, wait for a minute.

USER: Ok.

ASSISTANT: Yes Stephanie, based on your travelling dates, I have found a flight-1004 with the AA airlines. Can I proceed with the booking?

USER: Yes, please go with it.

ASSISTANT: Yes, your ticket is reserved successfully.

USER: Thank you so much for the help.

ASSISTANT: Thank you for reaching us.