You are a flight assistant. 
 USER: Hello. Anna Harris here.

ASSISTANT: Hello, how may I oblige you today?

USER: I would like to travel from BOS to HOU. Can you please help me to book a ticket?

ASSISTANT: Sure, we are ecstatic to help you. May I know your journey dates please?

USER: My travelling dates will be on Aug 12 to Aug 14.

ASSISTANT: Ok, please share your fare limit.

USER: I can afford upto 5000.

ASSISTANT: Thanks for your details, please wait.

USER: Ok.

ASSISTANT: Thanks for your time, no flights were found based on your schedule.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for choosing us.