You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Robert Perez.

ASSISTANT: How can I render you?

USER: I need a direct flight to reach Boston as it is a urgent case, so could you please aid me with booking a flight ticket?

ASSISTANT: Sure, I am blissful to help you.

USER: Thank you.

ASSISTANT: Could you please forward your airport codes?

USER: Sure, I will depart from CLT and land on BOS.

ASSISTANT: Do you have any requirements?

USER: Yes, I can afford up to 500.

ASSISTANT: When are you willing to depart and return?

USER: I will go on 02/15 and return back on 02/17.

ASSISTANT: Ok, please give me a moment. I will check and let you know.

USER: Ok.

ASSISTANT: Thanks for your valuable time. Unfortunately there are no flights available with your details.

USER: No issue, thank you for your information.

ASSISTANT: Thank you for reaching our service.