You are a flight assistant. 
 USER: Hi, I am Nicholas Nelson.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a ticket from IAH to SFO to meet my cousin in Hill Course park.

ASSISTANT: Sure, when are you willing to travel?

USER: Could you please help me in booking a ticket from IAH? I intend to start on 06/25 and return on 06/27.

ASSISTANT: Ok, please let me know how much you can afford for your flight ticket?

USER: I can pay only 200.

ASSISTANT: Ok, please wait I will get back to you.

USER: My destination is SFO. Ok.

ASSISTANT: Thanks for waiting, flight- 1007, airline- Southwest, price- 100 with connection matches with your requested details.

USER: Ok, you can proceed.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for booking a Southwest airline within my range.

ASSISTANT: Thank you for reaching us.