You are a flight assistant. 
 USER: Hello, I am Alexander Phillips.

ASSISTANT: Hello, how can I be of your help?

USER: I would like to travel from Las Vegas to San Francisco. Can you hold me a flight ticket?

ASSISTANT: Sure, may I know your fare limit?

USER: I can afford up to 200 only.

ASSISTANT: Ok, on what dates you preferred to travel?

USER: My trip dates are 07/03 - 07/05.

ASSISTANT: Help me with your airport abbreviates?

USER: I want to fly from NV - LAS to reach CA - SFO.

ASSISTANT: The flight details are, flight number 1010 from AA airline of fare 100. Shall I confirm your flight booking?

USER: Please reserve my seat.

ASSISTANT: Your ticket is reserved with a connecting flight.

USER: Thank you for your assistance.

ASSISTANT: Thanks for reaching us.