You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you today?

USER: I am Shirley Parker. I need to fly Houston for my friend wedding function.Please help me to book a flight ticket from BOS to HOU?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: My journey dates are from 05/11 to 05/13.

ASSISTANT: Do you have any specifications?

USER: I need single connection. My price limit is 1000.

ASSISTANT: Please wait for a while, I will check and get back to you. Thanks for your patience, there is no flight found on your given details.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thanks for choosing us.