You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carolyn Garcia from Dallas.

ASSISTANT: What type of help that you are looking for?

USER: Can you please book a flight ticket from DFW to BOS?

ASSISTANT: Yes, I am glad to help you with the ticket booking. On which dates you are willing to travel?

USER: I need to travel on dates of 11/02 and 11/04.

ASSISTANT: Ok, please be on hold for a while. So that, I will find a flight with your details.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that, I have not found any flight available in this route on the dates you have mentioned.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: My pleasure. Thank you for connecting with our travel agency.