You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Steven Moore, can you help me to book a flight?

ASSISTANT: Sure, may I know your travelling details?

USER: I would like to travel from BOS to DEN.

ASSISTANT: Could you please tell me the travelling dates?

USER: My dates of travelling are 08/12 and 08/14. 200 and 1 are my price and connections limits.

ASSISTANT: I am sorry to inform that there is no flight found.

USER: Ok, not an issue. I will go for another one.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your help.