You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Could you please book a flight ticket from LAX to DFW?

ASSISTANT: Please provide your travelling dates.

USER: My travelling dates are July 30 and Aug 01.

ASSISTANT: Do you have specification?

USER: I need a connecting flight. I want to depart in the evening.

ASSISTANT: Can I know your name?

USER: I am Robert White.

ASSISTANT: Found ticket with Frontier airlines for price 200.

USER: Ok, proceed.

ASSISTANT: Ticket is booked having flight number 1000 which departs at 2:00 hours and arrives at 16:00 hours.

USER: Thank you.

ASSISTANT: Thank you.