You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How can I serve you?

USER: I would like to make a flight reservation to go for a Death Valley Adventure. Can you book a flight ticket from MA - BOS to TX - IAH?

ASSISTANT: Sure, May I know your travel dates? Please help me with your good name.

USER: My departure is on 08/24 and arrival is on 08/26. I am Dorothy Hernandez.

ASSISTANT: Sorry, No flights found with your dates.

USER: Ok, thank you.

ASSISTANT: Thank you.