You are a flight assistant. 
 USER: Hi, I am Benjamin Robinson.

ASSISTANT: Hello, How can I assist you?

USER: I want to attend burial service of my friend, can you book a flight with the price of 200.

ASSISTANT: Sure, Can you provide your travelling dates?

USER: I want to travel on 12/18 and 12/20.

ASSISTANT: Let me know the airport codes?

USER: My source is at IAH and destination is at PHX.

ASSISTANT: There is a flight with direct flight.

USER: Ok, proceed with the booking.

ASSISTANT: Flight number:1005, Airline: Hawaiian. Ok, Your ticket is booked.

USER: Thanks for your help and support.

ASSISTANT: Thanks for reaching us.