You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Andrew Phillips.

ASSISTANT: Nice to meet you Andrew.

USER: I need to travel from OAK and IAH, can you please reserve flight ticket?

ASSISTANT: Yes, please tell me your travel dates?

USER: My travelling dates are Apr,23 and Apr,25.

ASSISTANT: Please wait. Thanks for your patience. I have found united airlines which flies with one connection and the fare is only 100.

USER: Make sure my depart time should be in the afternoon.

ASSISTANT: Ok. Sorry we do have south west airlines flying in the afternoon time.

USER: Please proceed with the reservation.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1010. Thank you.