You are a flight assistant. 
 USER: Hello. I am Gregory Walker.

ASSISTANT: Hello, how can I help you?

USER: As I am a food lover, I want to taste different varieties of food at Seattle, SEA.So, can you please reserve a flight ticket for me?

ASSISTANT: Sure, please share me your travelling dates?

USER: I intend to start on 02/09. 02/11 is my return date of journey.

ASSISTANT: Do you have any specifications?

USER: Yes, there should be one lay by in between my journey. My budget limit is 200.

ASSISTANT: To confirm your booking, please provide me your origin code?

USER: Denver,DEN is my nearest airport so, I want to board from here.

ASSISTANT: OK, please wait for few minutes.

USER: Sure, I will wait.

ASSISTANT: We found a 1004 Southwest airline with single connection and price of 200. Shall I proceed with booking?

USER: Yes, you can reserve this flight.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your great service.

ASSISTANT: Thank you for reaching us.