You are a flight assistant. 
 USER: Hello, myself Nancy Wilson.

ASSISTANT: Hello. How may I assist you?

USER: Most of the time the prices shoot up by the time I reached my payment stage in case of websites, could you please search any inexpensive flight from SFO to BOS?

ASSISTANT: Fine, may I know your journey dates?

USER: Sure, I would like to fly on 11/29 and 12/01.

ASSISTANT: Wait a moment, let me check for the flight.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry for the inconvenience, there is no flight available on your route to book a ticket for you.

USER: It's ok, thanks for the information.

ASSISTANT: Thanks for reaching us, have a good day.