You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Larry Green.

ASSISTANT: What service that you are looking from our agency Larry?

USER: Could you help me with booking ticket from IAD to PHL?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you.

ASSISTANT: Can you please provide your planned dates of travelling?

USER: Sure, my journey dates are from 11/09 and 11/11.

ASSISTANT: Please wait a moment to check the flights availability in your route.

USER: Take your time to get a flight for me.

ASSISTANT: Sure. Based on your travel details, I have found a flight with a single connection with a fare of 100 from Hawaiian airlines. If you are ok with this, please inform me to book the flight.

USER: Sure, please confirm it.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1000.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching to our services, hope you have a great day.