You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Can I know your name?

USER: I am Barbara Carter.

ASSISTANT: How can I serve you?

USER: I want to go to Washington for medical check up to my grand mother, can you please book me a ticket?

ASSISTANT: Sure, I can help you. Do you have any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Please share your travelling dates?

USER: My travelling dates are from 04/21 to 04/23.

ASSISTANT: Where you want to travel ?

USER: I want to start from MSP to IAD.

ASSISTANT: We found a Frontier airline with the price 100. Shall I proceed it for booking?

USER: Yes, Please.

ASSISTANT: Your flight ticket has been confirmed with the flight number:1005.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.