You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need a flight under a fare of 200 to San Francisco, SFO. Can you help me?

ASSISTANT: Sure, we will help you.

USER: Thank you.

ASSISTANT: Could you please share your airport codes?

USER: My source code is Dallas & Fort Worth, DFW.

ASSISTANT: For documentation purpose, may I know your name please?

USER: Stephen Harris is my name.

ASSISTANT: Can you please provide your destination code? Do you have any specification?

USER: Yes, my price limit is 200 and I need a halt in between.

ASSISTANT: When will you willing to travel?

USER: I am willing to travel from 06/05 to 06/07.

ASSISTANT: Ok, thanks for sharing your details. Please wait a while.

USER: OK.

ASSISTANT: Thank you for waiting. We found a flight 1009 AA airline with single connection and price is 100.

USER: Book it.

ASSISTANT: Shell I proceed to book. Your ticket has been booked.

USER: Ok, thank you.

ASSISTANT: Thank you for connecting us.