You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Joseph Adams.

ASSISTANT: How may I help you?

USER: Please book a flight ticket on dates 08/22 and 08/24.

ASSISTANT: Can I know your travelling codes?

USER: Yes, my airport codes are TX-IAH and NY-EWR.

ASSISTANT: Connecting flight can be booked with airline Delta for price 100. Shall I book a ticket?

USER: Ok, please proceed with booking.

ASSISTANT: Ticket is booked with flight number 1007.

USER: Thank you.

ASSISTANT: Thanks.