You are a flight assistant. 
 USER: Hi, I am Eric Adams.

ASSISTANT: Hello. How may I help you?

USER: As I am a doctor I need to fly with the direct flight to Las Vegas to treat an emergency case, can you help me with the booking?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I would like to start on Sept 5th and my return date will be on Sept 7th.

ASSISTANT: Please share me your source and destination codes.

USER: My airport codes are from DEN to LAS.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1029. Shall I proceed with this flight?

USER: Yes, you can proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help in booking.

ASSISTANT: Most welcome.