You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra Mitchell.

ASSISTANT: How can I aid you today?

USER: I want to travel from DEN to LGA. Can you help me in booking a flight ticket?

ASSISTANT: Sure, I will help you in booking. When you are planning to travel?

USER: I want to travel in the flight in January on 18 and 20.

ASSISTANT: Kindly mention your budget for flight ticket?

USER: My budget for ticket is 500.

ASSISTANT: There is a flight available with an airline UA of flight 1008 and cost is 200.

USER: I want to have depart time in Morning.

ASSISTANT: Can I proceed with the booking in the morning?

USER: Yes, proceed.

ASSISTANT: Your seat has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.