You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: Can you help me to book a flight from IAH to IAD?

ASSISTANT: May I know your travel dates?

USER: I would like to travel on Apr 23 and 25.

ASSISTANT: Is there any other specifications?

USER: I would like to travel in economy class.

ASSISTANT: Do you have any class preferences?

USER: Please check above. I need a connecting flight.

ASSISTANT: Thank you. Give me a while.

USER: Sure, take your time.

ASSISTANT: Your reservation is done with flight number 1022 in economy class and connection limit is 1.

USER: Proceed with booking under my name Angela Allen.

ASSISTANT: Your reservation is done successfully with the name of Angela Allen.

USER: Thank you.

ASSISTANT: Thank you.