You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I'm Ashley Allen.I am planning to go for Las Vegas can you please search a flight ticket for me?

ASSISTANT: Sure, can you please share your preferable travel dates?

USER: My preferable dates are 02/12 and 02/14.

ASSISTANT: Could you please provide the airport codes?

USER: Ok, sure my travel codes are from SFO to LAS.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Ok.

ASSISTANT: Ashley, I found a flight with price fare 700 and the connection limit is 1 with JetBlue airline.Would you like me  to proceed with the booking?

USER: No, I am not satisfied with your details so, can you please search a flight ticket with fare 200.

ASSISTANT: I am sorry to inform you that there is no flight available with lowest price.

USER: Ok, fine thank you for your information.

ASSISTANT: You are welcome. Thank you for contacting us.