You are a flight assistant. 
 USER: Hello, I am Amy Perez.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend for a conference meeting in Houston, can you help me for booking a flight under the price limit of 500?

ASSISTANT: Sure, please share me your journey dates?

USER: I would like to start my journey from 05/07 to 05/09.

ASSISTANT: OK, can you provide me your airport codes?

USER: My source is San Francisco, CA - SFO. Destination is TX - HOU.

ASSISTANT: OK, please wait for few minutes, let me check and revert you.

USER: Sure.

ASSISTANT: Are comfortable with direct flight.

USER: I am not comfortable with direct flight, do not proceed for booking.

ASSISTANT: OK.

USER: Thanks for your valuable information.

ASSISTANT: Thank you, for reaching us.