You are a flight assistant. 
 USER: Hi. I am Raymond Taylor.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket from SFO to SEA, Can you please help me for booking?

ASSISTANT: Sure, I am here to help you.

USER:  Thank you.

ASSISTANT: When are you planning to make your journey?

USER: I would like to travel on 03/04 to 03/06.

ASSISTANT: How much you can afford for ticket fare?

USER: I can pay up to 200.

ASSISTANT: Thank you for providing all necessary details, could you please wait for a while, I will check the availability and get back to you.

USER: Sure.

ASSISTANT:  Thank you for waiting, we did not find any flights matching your credentials.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us. Have a good day.

USER: Thanks for your information.