You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: This is Dorothy Hall. I want to travel from IAD to LAS.

ASSISTANT: Can you please provide your journey dates?

USER: My travelling dates are 04/27 to 04/29.

ASSISTANT: Please wait for a while. I will check the availability and let you know.

USER: No issues.

ASSISTANT: Thanks for your patience. we found a flight according to your requirements.

USER: Good to hear that.

ASSISTANT: Flight details are, flight number: 1010, price: 100, airline: Southwest. Shall I proceed with booking?

USER: May I know the connection details?

ASSISTANT: Yes, it is1.

USER: Please help in booking that flight.

ASSISTANT: Sure. Your flight has been booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us. Have a good day.