You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am Robert Jackson, want to book a flight ticket to Dallas & Fort Worth, DFW as I want to taste different varieties of food in various restaurants over there.

ASSISTANT: Ok.

USER: Can you please book a flight ticket for me from San Francisco, SFO?

ASSISTANT: Sure, we are mirthful to help you. Do you have any specifiacations?

USER: My budget limit is 1000. I need a lay by.

ASSISTANT: Please let me know your journey dates.

USER: My travelling dates of journey is 06/20 to 06/22.

ASSISTANT: Please standby.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a connecting flight of UA airline.

USER: You can proceed to reserve.

ASSISTANT: your ticket has been confirmed with flight number 1026 and price 500.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.