You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you today?

USER: I am Gregory Allen, I want to attend my colleague ring ceremony, can you help me with booking from EWR to PHX?

ASSISTANT: Sure, Is there any restrictions in price limit?

USER: I can pay up to 500.

ASSISTANT: When are you planning to make you journey?

USER: I will fly on 04/20 and return on 04/22.

ASSISTANT: We found a connecting flight in Frontier airline and the flight number is 1017. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done with a fare of 100.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.