You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I best help you today?

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

ASSISTANT: Sure, please provide me your travel dates.

USER: My travel dates are Sept 20 and 22.

ASSISTANT: Do you prefer normal cost or low cost airline?

USER: I prefer normal cost.

ASSISTANT: On which name do you like to reserve this ticket?

USER: Please reserve the ticket under the name of Jacob Moore.

ASSISTANT: Do you have any specification?

USER: I need a connecting flight.

ASSISTANT: We found a economy flight on your details with United Airlines, flight number: 1022. Shall I book this ticket?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thank you.