You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Larry Thomas.

ASSISTANT: How may I assist you today?

USER: Can you help me to book a flight from SEA to PHL?

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are 07/29 and 07/31.

ASSISTANT: Yes Larry, I have found a flight-1017 with the Frontier airlines. Can I proceed?

USER: Proceed.

ASSISTANT: Yes, your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.