You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Rebecca Lewis.

ASSISTANT: What help do you require from our travel agency?

USER: Can you please book a flight ticket from IAH to OAK?

ASSISTANT: Sure, I can help you in finding a flight for you. Can you please tell me your trip dates?

USER: Sure, I need to travel on dates of 08/19 and 08/21.

ASSISTANT: The Delta airlines is found with connection limit 1 on the dates you have mentioned. Shall I proceed with ticket booking?

USER: That is fine, please proceed with booking.

ASSISTANT: Ok, I have booked your ticket with the above mentioned flight and the flight number is 1008.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for opting our travel agency.