You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am a doctor. I need to attend an emergency operation at Detroit. Could you please book my flight from LGA to DTW?

ASSISTANT: Let me know your travelling dates?

USER: February 7 and 9 are my travel dates.

ASSISTANT: Can I know your name?

USER: Charles Collins is my name.

ASSISTANT: Do you have any specifications?

USER: I need to have a economy class.

ASSISTANT: Connecting flight can be booked with airline JetBlue for price 200 having flight number 1017. Shall I book a ticket?

USER: Great! Please book it for me.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thanks.