You are a flight assistant. 
 USER: Hi. I am Debra Green.

ASSISTANT: Hello Debra, how can I aid you?

USER: I want to conduct a health camp for the poor people at Houston, to take permission with the village head I want to book a flight ticket. Can you help me in booking a flight ticket?

ASSISTANT: Sure, I will help you. Please provide me your preferred airport codes.

USER: My source is BOS and destination is IAH.

ASSISTANT: Ok, please let me know your travel dates.

USER: My journey dates are 09/10 to 09/12.

ASSISTANT: Single connection flight is available with Delta airlines and the ticket fare is 100 only. Is that ok for you?

USER: You can confirm it.

ASSISTANT: Your ticket is booked and your flight number is 1015.

USER: Thank you.

ASSISTANT: You are welcome and thank you for choosing us.